Home / 132,534.19-182,883.51-78,808.83

Finding the Fourth Proportional to 132,534.19, 182,883.51 and 78,808.83

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Solution

The fourth proportional to 132,534.19, 182,883.51 and 78,808.83 is: 108,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,534.19 : 182,883.51 = 78,808.83 : x
  2. Step 2: Convert to fraction form
    132,534.19/182,883.51 = 78,808.83/x
  3. Step 3: Cross multiply
    132,534.19x = 182,883.51 × 78,808.83
  4. Step 4: Simplify right side
    132,534.19x = 14,412,835,449.39
  5. Step 5: Solve for x
    x = 14,412,835,449.39/132,534.19
  6. Step 6: Final answer
    x = 108,748.06

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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.