Home / 179,218.10-247,319.02-98,643.89

Finding the Fourth Proportional to 179,218.10, 247,319.02 and 98,643.89

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Solution

The fourth proportional to 179,218.10, 247,319.02 and 98,643.89 is: 136,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,218.10 : 247,319.02 = 98,643.89 : x
  2. Step 2: Convert to fraction form
    179,218.10/247,319.02 = 98,643.89/x
  3. Step 3: Cross multiply
    179,218.10x = 247,319.02 × 98,643.89
  4. Step 4: Simplify right side
    179,218.10x = 24,396,510,203.79
  5. Step 5: Solve for x
    x = 24,396,510,203.79/179,218.10
  6. Step 6: Final answer
    x = 136,127.49

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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.