Home / 179,287.80-247,415.16-98,713.68

Finding the Fourth Proportional to 179,287.80, 247,415.16 and 98,713.68

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Solution

The fourth proportional to 179,287.80, 247,415.16 and 98,713.68 is: 136,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,287.80 : 247,415.16 = 98,713.68 : x
  2. Step 2: Convert to fraction form
    179,287.80/247,415.16 = 98,713.68/x
  3. Step 3: Cross multiply
    179,287.80x = 247,415.16 × 98,713.68
  4. Step 4: Simplify right side
    179,287.80x = 24,423,260,931.39
  5. Step 5: Solve for x
    x = 24,423,260,931.39/179,287.80
  6. Step 6: Final answer
    x = 136,223.78

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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.