Home / 176,876.60-244,077.40-100,397.28

Finding the Fourth Proportional to 176,876.60, 244,077.40 and 100,397.28

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Solution

The fourth proportional to 176,876.60, 244,077.40 and 100,397.28 is: 138,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,876.60 : 244,077.40 = 100,397.28 : x
  2. Step 2: Convert to fraction form
    176,876.60/244,077.40 = 100,397.28/x
  3. Step 3: Cross multiply
    176,876.60x = 244,077.40 × 100,397.28
  4. Step 4: Simplify right side
    176,876.60x = 24,504,707,069.47
  5. Step 5: Solve for x
    x = 24,504,707,069.47/176,876.60
  6. Step 6: Final answer
    x = 138,541.26

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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.