Home / 292,013.28-402,976.56-157,876.96

Finding the Fourth Proportional to 292,013.28, 402,976.56 and 157,876.96

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Solution

The fourth proportional to 292,013.28, 402,976.56 and 157,876.96 is: 217,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,013.28 : 402,976.56 = 157,876.96 : x
  2. Step 2: Convert to fraction form
    292,013.28/402,976.56 = 157,876.96/x
  3. Step 3: Cross multiply
    292,013.28x = 402,976.56 × 157,876.96
  4. Step 4: Simplify right side
    292,013.28x = 63,620,714,244.06
  5. Step 5: Solve for x
    x = 63,620,714,244.06/292,013.28
  6. Step 6: Final answer
    x = 217,869.25

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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.