Home / 176,124.28-243,051.48-100,674.40

Finding the Fourth Proportional to 176,124.28, 243,051.48 and 100,674.40

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Solution

The fourth proportional to 176,124.28, 243,051.48 and 100,674.40 is: 138,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,124.28 : 243,051.48 = 100,674.40 : x
  2. Step 2: Convert to fraction form
    176,124.28/243,051.48 = 100,674.40/x
  3. Step 3: Cross multiply
    176,124.28x = 243,051.48 × 100,674.40
  4. Step 4: Simplify right side
    176,124.28x = 24,469,061,918.11
  5. Step 5: Solve for x
    x = 24,469,061,918.11/176,124.28
  6. Step 6: Final answer
    x = 138,930.66

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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.