Home / 118,252.56-163,366.24-77,513.38

Finding the Fourth Proportional to 118,252.56, 163,366.24 and 77,513.38

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Solution

The fourth proportional to 118,252.56, 163,366.24 and 77,513.38 is: 107,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,252.56 : 163,366.24 = 77,513.38 : x
  2. Step 2: Convert to fraction form
    118,252.56/163,366.24 = 77,513.38/x
  3. Step 3: Cross multiply
    118,252.56x = 163,366.24 × 77,513.38
  4. Step 4: Simplify right side
    118,252.56x = 12,663,069,660.90
  5. Step 5: Solve for x
    x = 12,663,069,660.90/118,252.56
  6. Step 6: Final answer
    x = 107,084.95

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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.