Home / 176,145.33-243,077.49-107,209.88

Finding the Fourth Proportional to 176,145.33, 243,077.49 and 107,209.88

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Solution

The fourth proportional to 176,145.33, 243,077.49 and 107,209.88 is: 147,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,145.33 : 243,077.49 = 107,209.88 : x
  2. Step 2: Convert to fraction form
    176,145.33/243,077.49 = 107,209.88/x
  3. Step 3: Cross multiply
    176,145.33x = 243,077.49 × 107,209.88
  4. Step 4: Simplify right side
    176,145.33x = 26,060,307,318.21
  5. Step 5: Solve for x
    x = 26,060,307,318.21/176,145.33
  6. Step 6: Final answer
    x = 147,947.76

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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.