Home / 178,689.56-246,580.40-98,116.70

Finding the Fourth Proportional to 178,689.56, 246,580.40 and 98,116.70

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Solution

The fourth proportional to 178,689.56, 246,580.40 and 98,116.70 is: 135,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,689.56 : 246,580.40 = 98,116.70 : x
  2. Step 2: Convert to fraction form
    178,689.56/246,580.40 = 98,116.70/x
  3. Step 3: Cross multiply
    178,689.56x = 246,580.40 × 98,116.70
  4. Step 4: Simplify right side
    178,689.56x = 24,193,654,642.10
  5. Step 5: Solve for x
    x = 24,193,654,642.10/178,689.56
  6. Step 6: Final answer
    x = 135,394.90

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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.