Home / 132,641.50-182,639.91-99,983.38

Finding the Fourth Proportional to 132,641.50, 182,639.91 and 99,983.38

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Solution

The fourth proportional to 132,641.50, 182,639.91 and 99,983.38 is: 137,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,641.50 : 182,639.91 = 99,983.38 : x
  2. Step 2: Convert to fraction form
    132,641.50/182,639.91 = 99,983.38/x
  3. Step 3: Cross multiply
    132,641.50x = 182,639.91 × 99,983.38
  4. Step 4: Simplify right side
    132,641.50x = 18,260,955,524.70
  5. Step 5: Solve for x
    x = 18,260,955,524.70/132,641.50
  6. Step 6: Final answer
    x = 137,671.51

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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.