Home / 132,580.17-183,023.22-84,861.20

Finding the Fourth Proportional to 132,580.17, 183,023.22 and 84,861.20

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Solution

The fourth proportional to 132,580.17, 183,023.22 and 84,861.20 is: 117,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,580.17 : 183,023.22 = 84,861.20 : x
  2. Step 2: Convert to fraction form
    132,580.17/183,023.22 = 84,861.20/x
  3. Step 3: Cross multiply
    132,580.17x = 183,023.22 × 84,861.20
  4. Step 4: Simplify right side
    132,580.17x = 15,531,569,161.95
  5. Step 5: Solve for x
    x = 15,531,569,161.95/132,580.17
  6. Step 6: Final answer
    x = 117,148.51

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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.