Home / 132,277.40-182,551.92-74,916

Finding the Fourth Proportional to 132,277.40, 182,551.92 and 74,916

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Solution

The fourth proportional to 132,277.40, 182,551.92 and 74,916 is: 103,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,277.40 : 182,551.92 = 74,916 : x
  2. Step 2: Convert to fraction form
    132,277.40/182,551.92 = 74,916/x
  3. Step 3: Cross multiply
    132,277.40x = 182,551.92 × 74,916
  4. Step 4: Simplify right side
    132,277.40x = 13,676,059,638.72
  5. Step 5: Solve for x
    x = 13,676,059,638.72/132,277.40
  6. Step 6: Final answer
    x = 103,389.24

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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.