Home / 129,714.20-194,417.70-54,834.20

Finding the Fourth Proportional to 129,714.20, 194,417.70 and 54,834.20

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Solution

The fourth proportional to 129,714.20, 194,417.70 and 54,834.20 is: 82,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,714.20 : 194,417.70 = 54,834.20 : x
  2. Step 2: Convert to fraction form
    129,714.20/194,417.70 = 54,834.20/x
  3. Step 3: Cross multiply
    129,714.20x = 194,417.70 × 54,834.20
  4. Step 4: Simplify right side
    129,714.20x = 10,660,739,045.34
  5. Step 5: Solve for x
    x = 10,660,739,045.34/129,714.20
  6. Step 6: Final answer
    x = 82,186.37

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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.