Home / 112,382.52-155,092.60-64,635.92

Finding the Fourth Proportional to 112,382.52, 155,092.60 and 64,635.92

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Solution

The fourth proportional to 112,382.52, 155,092.60 and 64,635.92 is: 89,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,382.52 : 155,092.60 = 64,635.92 : x
  2. Step 2: Convert to fraction form
    112,382.52/155,092.60 = 64,635.92/x
  3. Step 3: Cross multiply
    112,382.52x = 155,092.60 × 64,635.92
  4. Step 4: Simplify right side
    112,382.52x = 10,024,552,886.19
  5. Step 5: Solve for x
    x = 10,024,552,886.19/112,382.52
  6. Step 6: Final answer
    x = 89,200.29

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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.