Home / 176,346.20-243,217.05-115,978.82

Finding the Fourth Proportional to 176,346.20, 243,217.05 and 115,978.82

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Solution

The fourth proportional to 176,346.20, 243,217.05 and 115,978.82 is: 159,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,346.20 : 243,217.05 = 115,978.82 : x
  2. Step 2: Convert to fraction form
    176,346.20/243,217.05 = 115,978.82/x
  3. Step 3: Cross multiply
    176,346.20x = 243,217.05 × 115,978.82
  4. Step 4: Simplify right side
    176,346.20x = 28,208,025,246.80
  5. Step 5: Solve for x
    x = 28,208,025,246.80/176,346.20
  6. Step 6: Final answer
    x = 159,958.23

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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.