Home / 132,357.47-182,560.91-87,020.96

Finding the Fourth Proportional to 132,357.47, 182,560.91 and 87,020.96

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Solution

The fourth proportional to 132,357.47, 182,560.91 and 87,020.96 is: 120,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,357.47 : 182,560.91 = 87,020.96 : x
  2. Step 2: Convert to fraction form
    132,357.47/182,560.91 = 87,020.96/x
  3. Step 3: Cross multiply
    132,357.47x = 182,560.91 × 87,020.96
  4. Step 4: Simplify right side
    132,357.47x = 15,886,624,298.76
  5. Step 5: Solve for x
    x = 15,886,624,298.76/132,357.47
  6. Step 6: Final answer
    x = 120,028.17

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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.