Home / 129,665.40-194,498.10-119,527.80

Finding the Fourth Proportional to 129,665.40, 194,498.10 and 119,527.80

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Solution

The fourth proportional to 129,665.40, 194,498.10 and 119,527.80 is: 179,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,665.40 : 194,498.10 = 119,527.80 : x
  2. Step 2: Convert to fraction form
    129,665.40/194,498.10 = 119,527.80/x
  3. Step 3: Cross multiply
    129,665.40x = 194,498.10 × 119,527.80
  4. Step 4: Simplify right side
    129,665.40x = 23,247,929,997.18
  5. Step 5: Solve for x
    x = 23,247,929,997.18/129,665.40
  6. Step 6: Final answer
    x = 179,291.70

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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.