Home / 119,294.57-178,943.28-30,545.71

Finding the Fourth Proportional to 119,294.57, 178,943.28 and 30,545.71

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Solution

The fourth proportional to 119,294.57, 178,943.28 and 30,545.71 is: 45,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,294.57 : 178,943.28 = 30,545.71 : x
  2. Step 2: Convert to fraction form
    119,294.57/178,943.28 = 30,545.71/x
  3. Step 3: Cross multiply
    119,294.57x = 178,943.28 × 30,545.71
  4. Step 4: Simplify right side
    119,294.57x = 5,465,948,975.42
  5. Step 5: Solve for x
    x = 5,465,948,975.42/119,294.57
  6. Step 6: Final answer
    x = 45,818.92

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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.