Home / 113,685.07-170,543.16-38,785.11

Finding the Fourth Proportional to 113,685.07, 170,543.16 and 38,785.11

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Solution

The fourth proportional to 113,685.07, 170,543.16 and 38,785.11 is: 58,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,685.07 : 170,543.16 = 38,785.11 : x
  2. Step 2: Convert to fraction form
    113,685.07/170,543.16 = 38,785.11/x
  3. Step 3: Cross multiply
    113,685.07x = 170,543.16 × 38,785.11
  4. Step 4: Simplify right side
    113,685.07x = 6,614,535,220.35
  5. Step 5: Solve for x
    x = 6,614,535,220.35/113,685.07
  6. Step 6: Final answer
    x = 58,182.97

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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.