Home / 129,029.04-193,238.16-65,693.52

Finding the Fourth Proportional to 129,029.04, 193,238.16 and 65,693.52

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Solution

The fourth proportional to 129,029.04, 193,238.16 and 65,693.52 is: 98,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,029.04 : 193,238.16 = 65,693.52 : x
  2. Step 2: Convert to fraction form
    129,029.04/193,238.16 = 65,693.52/x
  3. Step 3: Cross multiply
    129,029.04x = 193,238.16 × 65,693.52
  4. Step 4: Simplify right side
    129,029.04x = 12,694,494,928.72
  5. Step 5: Solve for x
    x = 12,694,494,928.72/129,029.04
  6. Step 6: Final answer
    x = 98,384.79

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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.