Home / 131,928.83-182,061.32-71,500.95

Finding the Fourth Proportional to 131,928.83, 182,061.32 and 71,500.95

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Solution

The fourth proportional to 131,928.83, 182,061.32 and 71,500.95 is: 98,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,928.83 : 182,061.32 = 71,500.95 : x
  2. Step 2: Convert to fraction form
    131,928.83/182,061.32 = 71,500.95/x
  3. Step 3: Cross multiply
    131,928.83x = 182,061.32 × 71,500.95
  4. Step 4: Simplify right side
    131,928.83x = 13,017,557,338.25
  5. Step 5: Solve for x
    x = 13,017,557,338.25/131,928.83
  6. Step 6: Final answer
    x = 98,671.06

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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.