Home / 132,703.61-183,252.68-84,321.47

Finding the Fourth Proportional to 132,703.61, 183,252.68 and 84,321.47

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Solution

The fourth proportional to 132,703.61, 183,252.68 and 84,321.47 is: 116,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,703.61 : 183,252.68 = 84,321.47 : x
  2. Step 2: Convert to fraction form
    132,703.61/183,252.68 = 84,321.47/x
  3. Step 3: Cross multiply
    132,703.61x = 183,252.68 × 84,321.47
  4. Step 4: Simplify right side
    132,703.61x = 15,452,135,340.78
  5. Step 5: Solve for x
    x = 15,452,135,340.78/132,703.61
  6. Step 6: Final answer
    x = 116,440.96

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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.