Home / 176,385.60-243,315.18-111,736.44

Finding the Fourth Proportional to 176,385.60, 243,315.18 and 111,736.44

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Solution

The fourth proportional to 176,385.60, 243,315.18 and 111,736.44 is: 154,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,385.60 : 243,315.18 = 111,736.44 : x
  2. Step 2: Convert to fraction form
    176,385.60/243,315.18 = 111,736.44/x
  3. Step 3: Cross multiply
    176,385.60x = 243,315.18 × 111,736.44
  4. Step 4: Simplify right side
    176,385.60x = 27,187,172,011.16
  5. Step 5: Solve for x
    x = 27,187,172,011.16/176,385.60
  6. Step 6: Final answer
    x = 154,134.87

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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.