Home / 201,545.16-302,120.46-75,092.64

Finding the Fourth Proportional to 201,545.16, 302,120.46 and 75,092.64

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Solution

The fourth proportional to 201,545.16, 302,120.46 and 75,092.64 is: 112,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,545.16 : 302,120.46 = 75,092.64 : x
  2. Step 2: Convert to fraction form
    201,545.16/302,120.46 = 75,092.64/x
  3. Step 3: Cross multiply
    201,545.16x = 302,120.46 × 75,092.64
  4. Step 4: Simplify right side
    201,545.16x = 22,687,022,939.41
  5. Step 5: Solve for x
    x = 22,687,022,939.41/201,545.16
  6. Step 6: Final answer
    x = 112,565.46

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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.