Home / 129,899.50-194,854.92-41,159.55

Finding the Fourth Proportional to 129,899.50, 194,854.92 and 41,159.55

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Solution

The fourth proportional to 129,899.50, 194,854.92 and 41,159.55 is: 61,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,899.50 : 194,854.92 = 41,159.55 : x
  2. Step 2: Convert to fraction form
    129,899.50/194,854.92 = 41,159.55/x
  3. Step 3: Cross multiply
    129,899.50x = 194,854.92 × 41,159.55
  4. Step 4: Simplify right side
    129,899.50x = 8,020,140,822.49
  5. Step 5: Solve for x
    x = 8,020,140,822.49/129,899.50
  6. Step 6: Final answer
    x = 61,741.12

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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.