Home / 108,545.40-162,818.10-97,831.80

Finding the Fourth Proportional to 108,545.40, 162,818.10 and 97,831.80

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Solution

The fourth proportional to 108,545.40, 162,818.10 and 97,831.80 is: 146,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,545.40 : 162,818.10 = 97,831.80 : x
  2. Step 2: Convert to fraction form
    108,545.40/162,818.10 = 97,831.80/x
  3. Step 3: Cross multiply
    108,545.40x = 162,818.10 × 97,831.80
  4. Step 4: Simplify right side
    108,545.40x = 15,928,787,795.58
  5. Step 5: Solve for x
    x = 15,928,787,795.58/108,545.40
  6. Step 6: Final answer
    x = 146,747.70

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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.