Home / 132,489.18-182,803.86-89,548.74

Finding the Fourth Proportional to 132,489.18, 182,803.86 and 89,548.74

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Solution

The fourth proportional to 132,489.18, 182,803.86 and 89,548.74 is: 123,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,489.18 : 182,803.86 = 89,548.74 : x
  2. Step 2: Convert to fraction form
    132,489.18/182,803.86 = 89,548.74/x
  3. Step 3: Cross multiply
    132,489.18x = 182,803.86 × 89,548.74
  4. Step 4: Simplify right side
    132,489.18x = 16,369,855,330.14
  5. Step 5: Solve for x
    x = 16,369,855,330.14/132,489.18
  6. Step 6: Final answer
    x = 123,556.17

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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.