Home / 129,023.40-193,535.10-34,253.40

Finding the Fourth Proportional to 129,023.40, 193,535.10 and 34,253.40

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Solution

The fourth proportional to 129,023.40, 193,535.10 and 34,253.40 is: 51,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,023.40 : 193,535.10 = 34,253.40 : x
  2. Step 2: Convert to fraction form
    129,023.40/193,535.10 = 34,253.40/x
  3. Step 3: Cross multiply
    129,023.40x = 193,535.10 × 34,253.40
  4. Step 4: Simplify right side
    129,023.40x = 6,629,235,194.34
  5. Step 5: Solve for x
    x = 6,629,235,194.34/129,023.40
  6. Step 6: Final answer
    x = 51,380.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.