Home / 159,709.10-220,390.61-88,084.85

Finding the Fourth Proportional to 159,709.10, 220,390.61 and 88,084.85

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Solution

The fourth proportional to 159,709.10, 220,390.61 and 88,084.85 is: 121,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,709.10 : 220,390.61 = 88,084.85 : x
  2. Step 2: Convert to fraction form
    159,709.10/220,390.61 = 88,084.85/x
  3. Step 3: Cross multiply
    159,709.10x = 220,390.61 × 88,084.85
  4. Step 4: Simplify right side
    159,709.10x = 19,413,072,280.88
  5. Step 5: Solve for x
    x = 19,413,072,280.88/159,709.10
  6. Step 6: Final answer
    x = 121,552.70

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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.