Home / 178,989.45-247,006.35-98,422.17

Finding the Fourth Proportional to 178,989.45, 247,006.35 and 98,422.17

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Solution

The fourth proportional to 178,989.45, 247,006.35 and 98,422.17 is: 135,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,989.45 : 247,006.35 = 98,422.17 : x
  2. Step 2: Convert to fraction form
    178,989.45/247,006.35 = 98,422.17/x
  3. Step 3: Cross multiply
    178,989.45x = 247,006.35 × 98,422.17
  4. Step 4: Simplify right side
    178,989.45x = 24,310,900,970.78
  5. Step 5: Solve for x
    x = 24,310,900,970.78/178,989.45
  6. Step 6: Final answer
    x = 135,823.09

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1.5x scale

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.