Home / 179,531.07-247,754.60-98,961.72

Finding the Fourth Proportional to 179,531.07, 247,754.60 and 98,961.72

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Solution

The fourth proportional to 179,531.07, 247,754.60 and 98,961.72 is: 136,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,531.07 : 247,754.60 = 98,961.72 : x
  2. Step 2: Convert to fraction form
    179,531.07/247,754.60 = 98,961.72/x
  3. Step 3: Cross multiply
    179,531.07x = 247,754.60 × 98,961.72
  4. Step 4: Simplify right side
    179,531.07x = 24,518,221,353.91
  5. Step 5: Solve for x
    x = 24,518,221,353.91/179,531.07
  6. Step 6: Final answer
    x = 136,568.12

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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.