Home / 129,751.10-194,590.20-41,031.80

Finding the Fourth Proportional to 129,751.10, 194,590.20 and 41,031.80

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Solution

The fourth proportional to 129,751.10, 194,590.20 and 41,031.80 is: 61,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,751.10 : 194,590.20 = 41,031.80 : x
  2. Step 2: Convert to fraction form
    129,751.10/194,590.20 = 41,031.80/x
  3. Step 3: Cross multiply
    129,751.10x = 194,590.20 × 41,031.80
  4. Step 4: Simplify right side
    129,751.10x = 7,984,386,168.36
  5. Step 5: Solve for x
    x = 7,984,386,168.36/129,751.10
  6. Step 6: Final answer
    x = 61,536.17

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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.