Home / 179,293.12-247,430.40-98,726.56

Finding the Fourth Proportional to 179,293.12, 247,430.40 and 98,726.56

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Solution

The fourth proportional to 179,293.12, 247,430.40 and 98,726.56 is: 136,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,293.12 : 247,430.40 = 98,726.56 : x
  2. Step 2: Convert to fraction form
    179,293.12/247,430.40 = 98,726.56/x
  3. Step 3: Cross multiply
    179,293.12x = 247,430.40 × 98,726.56
  4. Step 4: Simplify right side
    179,293.12x = 24,427,952,231.42
  5. Step 5: Solve for x
    x = 24,427,952,231.42/179,293.12
  6. Step 6: Final answer
    x = 136,245.90

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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.