Home / 132,156.70-182,377.54-71,727.88

Finding the Fourth Proportional to 132,156.70, 182,377.54 and 71,727.88

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Solution

The fourth proportional to 132,156.70, 182,377.54 and 71,727.88 is: 98,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,156.70 : 182,377.54 = 71,727.88 : x
  2. Step 2: Convert to fraction form
    132,156.70/182,377.54 = 71,727.88/x
  3. Step 3: Cross multiply
    132,156.70x = 182,377.54 × 71,727.88
  4. Step 4: Simplify right side
    132,156.70x = 13,081,554,303.82
  5. Step 5: Solve for x
    x = 13,081,554,303.82/132,156.70
  6. Step 6: Final answer
    x = 98,985.18

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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.