Home / 132,508.48-182,859.77-72,079.61

Finding the Fourth Proportional to 132,508.48, 182,859.77 and 72,079.61

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Solution

The fourth proportional to 132,508.48, 182,859.77 and 72,079.61 is: 99,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,508.48 : 182,859.77 = 72,079.61 : x
  2. Step 2: Convert to fraction form
    132,508.48/182,859.77 = 72,079.61/x
  3. Step 3: Cross multiply
    132,508.48x = 182,859.77 × 72,079.61
  4. Step 4: Simplify right side
    132,508.48x = 13,180,460,857.91
  5. Step 5: Solve for x
    x = 13,180,460,857.91/132,508.48
  6. Step 6: Final answer
    x = 99,468.81

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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.