Home / 132,492.96-182,793.60-75,123.72

Finding the Fourth Proportional to 132,492.96, 182,793.60 and 75,123.72

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Solution

The fourth proportional to 132,492.96, 182,793.60 and 75,123.72 is: 103,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,492.96 : 182,793.60 = 75,123.72 : x
  2. Step 2: Convert to fraction form
    132,492.96/182,793.60 = 75,123.72/x
  3. Step 3: Cross multiply
    132,492.96x = 182,793.60 × 75,123.72
  4. Step 4: Simplify right side
    132,492.96x = 13,732,135,224.19
  5. Step 5: Solve for x
    x = 13,732,135,224.19/132,492.96
  6. Step 6: Final answer
    x = 103,644.26

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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.