Home / 179,109.12-247,205.91-102,679.53

Finding the Fourth Proportional to 179,109.12, 247,205.91 and 102,679.53

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Solution

The fourth proportional to 179,109.12, 247,205.91 and 102,679.53 is: 141,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,109.12 : 247,205.91 = 102,679.53 : x
  2. Step 2: Convert to fraction form
    179,109.12/247,205.91 = 102,679.53/x
  3. Step 3: Cross multiply
    179,109.12x = 247,205.91 × 102,679.53
  4. Step 4: Simplify right side
    179,109.12x = 25,382,986,652.02
  5. Step 5: Solve for x
    x = 25,382,986,652.02/179,109.12
  6. Step 6: Final answer
    x = 141,718.00

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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.