Home / 176,276.76-243,271.26-100,838.04

Finding the Fourth Proportional to 176,276.76, 243,271.26 and 100,838.04

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Solution

The fourth proportional to 176,276.76, 243,271.26 and 100,838.04 is: 139,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,276.76 : 243,271.26 = 100,838.04 : x
  2. Step 2: Convert to fraction form
    176,276.76/243,271.26 = 100,838.04/x
  3. Step 3: Cross multiply
    176,276.76x = 243,271.26 × 100,838.04
  4. Step 4: Simplify right side
    176,276.76x = 24,530,997,046.73
  5. Step 5: Solve for x
    x = 24,530,997,046.73/176,276.76
  6. Step 6: Final answer
    x = 139,161.83

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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.