Home / 132,467.91-182,806.95-72,039.12

Finding the Fourth Proportional to 132,467.91, 182,806.95 and 72,039.12

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Solution

The fourth proportional to 132,467.91, 182,806.95 and 72,039.12 is: 99,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,467.91 : 182,806.95 = 72,039.12 : x
  2. Step 2: Convert to fraction form
    132,467.91/182,806.95 = 72,039.12/x
  3. Step 3: Cross multiply
    132,467.91x = 182,806.95 × 72,039.12
  4. Step 4: Simplify right side
    132,467.91x = 13,169,251,807.88
  5. Step 5: Solve for x
    x = 13,169,251,807.88/132,467.91
  6. Step 6: Final answer
    x = 99,414.66

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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.