Home / 129,779.62-194,668.18-41,033.12

Finding the Fourth Proportional to 129,779.62, 194,668.18 and 41,033.12

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Solution

The fourth proportional to 129,779.62, 194,668.18 and 41,033.12 is: 61,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,779.62 : 194,668.18 = 41,033.12 : x
  2. Step 2: Convert to fraction form
    129,779.62/194,668.18 = 41,033.12/x
  3. Step 3: Cross multiply
    129,779.62x = 194,668.18 × 41,033.12
  4. Step 4: Simplify right side
    129,779.62x = 7,987,841,714.20
  5. Step 5: Solve for x
    x = 7,987,841,714.20/129,779.62
  6. Step 6: Final answer
    x = 61,549.28

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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.