Home / 107,446.80-161,169.36-28,566.60

Finding the Fourth Proportional to 107,446.80, 161,169.36 and 28,566.60

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Solution

The fourth proportional to 107,446.80, 161,169.36 and 28,566.60 is: 42,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,446.80 : 161,169.36 = 28,566.60 : x
  2. Step 2: Convert to fraction form
    107,446.80/161,169.36 = 28,566.60/x
  3. Step 3: Cross multiply
    107,446.80x = 161,169.36 × 28,566.60
  4. Step 4: Simplify right side
    107,446.80x = 4,604,060,639.38
  5. Step 5: Solve for x
    x = 4,604,060,639.38/107,446.80
  6. Step 6: Final answer
    x = 42,849.68

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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.