Home / 132,784.52-183,221.19-79,068.15

Finding the Fourth Proportional to 132,784.52, 183,221.19 and 79,068.15

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Solution

The fourth proportional to 132,784.52, 183,221.19 and 79,068.15 is: 109,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,784.52 : 183,221.19 = 79,068.15 : x
  2. Step 2: Convert to fraction form
    132,784.52/183,221.19 = 79,068.15/x
  3. Step 3: Cross multiply
    132,784.52x = 183,221.19 × 79,068.15
  4. Step 4: Simplify right side
    132,784.52x = 14,486,960,534.10
  5. Step 5: Solve for x
    x = 14,486,960,534.10/132,784.52
  6. Step 6: Final answer
    x = 109,101.28

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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.