Home / 107,306.46-160,941.33-28,428.66

Finding the Fourth Proportional to 107,306.46, 160,941.33 and 28,428.66

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Solution

The fourth proportional to 107,306.46, 160,941.33 and 28,428.66 is: 42,638.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,306.46 : 160,941.33 = 28,428.66 : x
  2. Step 2: Convert to fraction form
    107,306.46/160,941.33 = 28,428.66/x
  3. Step 3: Cross multiply
    107,306.46x = 160,941.33 × 28,428.66
  4. Step 4: Simplify right side
    107,306.46x = 4,575,346,350.52
  5. Step 5: Solve for x
    x = 4,575,346,350.52/107,306.46
  6. Step 6: Final answer
    x = 42,638.13

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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.