Home / 179,642.55-247,921.49-99,077.72

Finding the Fourth Proportional to 179,642.55, 247,921.49 and 99,077.72

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Solution

The fourth proportional to 179,642.55, 247,921.49 and 99,077.72 is: 136,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,642.55 : 247,921.49 = 99,077.72 : x
  2. Step 2: Convert to fraction form
    179,642.55/247,921.49 = 99,077.72/x
  3. Step 3: Cross multiply
    179,642.55x = 247,921.49 × 99,077.72
  4. Step 4: Simplify right side
    179,642.55x = 24,563,496,835.70
  5. Step 5: Solve for x
    x = 24,563,496,835.70/179,642.55
  6. Step 6: Final answer
    x = 136,735.41

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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.