Home / 178,981.29-247,000.55-98,414.96

Finding the Fourth Proportional to 178,981.29, 247,000.55 and 98,414.96

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Solution

The fourth proportional to 178,981.29, 247,000.55 and 98,414.96 is: 135,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,981.29 : 247,000.55 = 98,414.96 : x
  2. Step 2: Convert to fraction form
    178,981.29/247,000.55 = 98,414.96/x
  3. Step 3: Cross multiply
    178,981.29x = 247,000.55 × 98,414.96
  4. Step 4: Simplify right side
    178,981.29x = 24,308,547,521.15
  5. Step 5: Solve for x
    x = 24,308,547,521.15/178,981.29
  6. Step 6: Final answer
    x = 135,816.14

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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.