Home / 171,074,812.40-256,108,333.80-161,109,090.80

Finding the Fourth Proportional to 171,074,812.40, 256,108,333.80 and 161,109,090.80

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Solution

The fourth proportional to 171,074,812.40, 256,108,333.80 and 161,109,090.80 is: 241,189,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,074,812.40 : 256,108,333.80 = 161,109,090.80 : x
  2. Step 2: Convert to fraction form
    171,074,812.40/256,108,333.80 = 161,109,090.80/x
  3. Step 3: Cross multiply
    171,074,812.40x = 256,108,333.80 × 161,109,090.80
  4. Step 4: Simplify right side
    171,074,812.40x = 41,261,380,804,820,912
  5. Step 5: Solve for x
    x = 41,261,380,804,820,912/171,074,812.40
  6. Step 6: Final answer
    x = 241,189,104.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.