Home / 171,074,862.40-256,108,408.80-161,109,140.80

Finding the Fourth Proportional to 171,074,862.40, 256,108,408.80 and 161,109,140.80

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Solution

The fourth proportional to 171,074,862.40, 256,108,408.80 and 161,109,140.80 is: 241,189,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,074,862.40 : 256,108,408.80 = 161,109,140.80 : x
  2. Step 2: Convert to fraction form
    171,074,862.40/256,108,408.80 = 161,109,140.80/x
  3. Step 3: Cross multiply
    171,074,862.40x = 256,108,408.80 × 161,109,140.80
  4. Step 4: Simplify right side
    171,074,862.40x = 41,261,405,693,423,168
  5. Step 5: Solve for x
    x = 41,261,405,693,423,168/171,074,862.40
  6. Step 6: Final answer
    x = 241,189,179.49

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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.