Home / 161,793.54-223,276.20-90,178.17

Finding the Fourth Proportional to 161,793.54, 223,276.20 and 90,178.17

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Solution

The fourth proportional to 161,793.54, 223,276.20 and 90,178.17 is: 124,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,793.54 : 223,276.20 = 90,178.17 : x
  2. Step 2: Convert to fraction form
    161,793.54/223,276.20 = 90,178.17/x
  3. Step 3: Cross multiply
    161,793.54x = 223,276.20 × 90,178.17
  4. Step 4: Simplify right side
    161,793.54x = 20,134,639,120.55
  5. Step 5: Solve for x
    x = 20,134,639,120.55/161,793.54
  6. Step 6: Final answer
    x = 124,446.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.