Home / 247,688.20-371,316.30-168,545.80

Finding the Fourth Proportional to 247,688.20, 371,316.30 and 168,545.80

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Solution

The fourth proportional to 247,688.20, 371,316.30 and 168,545.80 is: 252,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,688.20 : 371,316.30 = 168,545.80 : x
  2. Step 2: Convert to fraction form
    247,688.20/371,316.30 = 168,545.80/x
  3. Step 3: Cross multiply
    247,688.20x = 371,316.30 × 168,545.80
  4. Step 4: Simplify right side
    247,688.20x = 62,583,802,836.54
  5. Step 5: Solve for x
    x = 62,583,802,836.54/247,688.20
  6. Step 6: Final answer
    x = 252,671.72

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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.