Home / 293,621.38-405,197.90-159,485.38

Finding the Fourth Proportional to 293,621.38, 405,197.90 and 159,485.38

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Solution

The fourth proportional to 293,621.38, 405,197.90 and 159,485.38 is: 220,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,621.38 : 405,197.90 = 159,485.38 : x
  2. Step 2: Convert to fraction form
    293,621.38/405,197.90 = 159,485.38/x
  3. Step 3: Cross multiply
    293,621.38x = 405,197.90 × 159,485.38
  4. Step 4: Simplify right side
    293,621.38x = 64,623,141,056.70
  5. Step 5: Solve for x
    x = 64,623,141,056.70/293,621.38
  6. Step 6: Final answer
    x = 220,090.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.