Home / 129,713.04-194,569.60-31,217.04

Finding the Fourth Proportional to 129,713.04, 194,569.60 and 31,217.04

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Solution

The fourth proportional to 129,713.04, 194,569.60 and 31,217.04 is: 46,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,713.04 : 194,569.60 = 31,217.04 : x
  2. Step 2: Convert to fraction form
    129,713.04/194,569.60 = 31,217.04/x
  3. Step 3: Cross multiply
    129,713.04x = 194,569.60 × 31,217.04
  4. Step 4: Simplify right side
    129,713.04x = 6,073,886,985.98
  5. Step 5: Solve for x
    x = 6,073,886,985.98/129,713.04
  6. Step 6: Final answer
    x = 46,825.57

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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.