Home / 178,999.29-247,012.38-98,422.02

Finding the Fourth Proportional to 178,999.29, 247,012.38 and 98,422.02

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Solution

The fourth proportional to 178,999.29, 247,012.38 and 98,422.02 is: 135,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,999.29 : 247,012.38 = 98,422.02 : x
  2. Step 2: Convert to fraction form
    178,999.29/247,012.38 = 98,422.02/x
  3. Step 3: Cross multiply
    178,999.29x = 247,012.38 × 98,422.02
  4. Step 4: Simplify right side
    178,999.29x = 24,311,457,404.61
  5. Step 5: Solve for x
    x = 24,311,457,404.61/178,999.29
  6. Step 6: Final answer
    x = 135,818.74

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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.