Home / 131,900.59-182,032.05-74,545.21

Finding the Fourth Proportional to 131,900.59, 182,032.05 and 74,545.21

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Solution

The fourth proportional to 131,900.59, 182,032.05 and 74,545.21 is: 102,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,900.59 : 182,032.05 = 74,545.21 : x
  2. Step 2: Convert to fraction form
    131,900.59/182,032.05 = 74,545.21/x
  3. Step 3: Cross multiply
    131,900.59x = 182,032.05 × 74,545.21
  4. Step 4: Simplify right side
    131,900.59x = 13,569,617,021.25
  5. Step 5: Solve for x
    x = 13,569,617,021.25/131,900.59
  6. Step 6: Final answer
    x = 102,877.61

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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.