Home / 217,200.48-299,545.20-156,755.04

Finding the Fourth Proportional to 217,200.48, 299,545.20 and 156,755.04

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Solution

The fourth proportional to 217,200.48, 299,545.20 and 156,755.04 is: 216,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,200.48 : 299,545.20 = 156,755.04 : x
  2. Step 2: Convert to fraction form
    217,200.48/299,545.20 = 156,755.04/x
  3. Step 3: Cross multiply
    217,200.48x = 299,545.20 × 156,755.04
  4. Step 4: Simplify right side
    217,200.48x = 46,955,219,807.81
  5. Step 5: Solve for x
    x = 46,955,219,807.81/217,200.48
  6. Step 6: Final answer
    x = 216,183.78

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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.