Home / 129,272.28-193,762.08-65,914.62

Finding the Fourth Proportional to 129,272.28, 193,762.08 and 65,914.62

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Solution

The fourth proportional to 129,272.28, 193,762.08 and 65,914.62 is: 98,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,272.28 : 193,762.08 = 65,914.62 : x
  2. Step 2: Convert to fraction form
    129,272.28/193,762.08 = 65,914.62/x
  3. Step 3: Cross multiply
    129,272.28x = 193,762.08 × 65,914.62
  4. Step 4: Simplify right side
    129,272.28x = 12,771,753,873.61
  5. Step 5: Solve for x
    x = 12,771,753,873.61/129,272.28
  6. Step 6: Final answer
    x = 98,797.31

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1.5x scale

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.