Home / 129,044.72-193,567.08-40,294.64

Finding the Fourth Proportional to 129,044.72, 193,567.08 and 40,294.64

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Solution

The fourth proportional to 129,044.72, 193,567.08 and 40,294.64 is: 60,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,044.72 : 193,567.08 = 40,294.64 : x
  2. Step 2: Convert to fraction form
    129,044.72/193,567.08 = 40,294.64/x
  3. Step 3: Cross multiply
    129,044.72x = 193,567.08 × 40,294.64
  4. Step 4: Simplify right side
    129,044.72x = 7,799,715,804.45
  5. Step 5: Solve for x
    x = 7,799,715,804.45/129,044.72
  6. Step 6: Final answer
    x = 60,441.96

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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.