Home / 179,101.13-247,149.78-98,515.64

Finding the Fourth Proportional to 179,101.13, 247,149.78 and 98,515.64

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Solution

The fourth proportional to 179,101.13, 247,149.78 and 98,515.64 is: 135,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,101.13 : 247,149.78 = 98,515.64 : x
  2. Step 2: Convert to fraction form
    179,101.13/247,149.78 = 98,515.64/x
  3. Step 3: Cross multiply
    179,101.13x = 247,149.78 × 98,515.64
  4. Step 4: Simplify right side
    179,101.13x = 24,348,117,516.81
  5. Step 5: Solve for x
    x = 24,348,117,516.81/179,101.13
  6. Step 6: Final answer
    x = 135,946.20

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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.