Home / 176,124.38-243,051.64-100,674.50

Finding the Fourth Proportional to 176,124.38, 243,051.64 and 100,674.50

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Solution

The fourth proportional to 176,124.38, 243,051.64 and 100,674.50 is: 138,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,124.38 : 243,051.64 = 100,674.50 : x
  2. Step 2: Convert to fraction form
    176,124.38/243,051.64 = 100,674.50/x
  3. Step 3: Cross multiply
    176,124.38x = 243,051.64 × 100,674.50
  4. Step 4: Simplify right side
    176,124.38x = 24,469,100,864.24
  5. Step 5: Solve for x
    x = 24,469,100,864.24/176,124.38
  6. Step 6: Final answer
    x = 138,930.80

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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.