Home / 105,237.05-157,757.16-38,659.30

Finding the Fourth Proportional to 105,237.05, 157,757.16 and 38,659.30

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Solution

The fourth proportional to 105,237.05, 157,757.16 and 38,659.30 is: 57,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,237.05 : 157,757.16 = 38,659.30 : x
  2. Step 2: Convert to fraction form
    105,237.05/157,757.16 = 38,659.30/x
  3. Step 3: Cross multiply
    105,237.05x = 157,757.16 × 38,659.30
  4. Step 4: Simplify right side
    105,237.05x = 6,098,781,182.29
  5. Step 5: Solve for x
    x = 6,098,781,182.29/105,237.05
  6. Step 6: Final answer
    x = 57,952.80

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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.