Home / 179,579.72-247,820.66-99,005.48

Finding the Fourth Proportional to 179,579.72, 247,820.66 and 99,005.48

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Solution

The fourth proportional to 179,579.72, 247,820.66 and 99,005.48 is: 136,627.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,579.72 : 247,820.66 = 99,005.48 : x
  2. Step 2: Convert to fraction form
    179,579.72/247,820.66 = 99,005.48/x
  3. Step 3: Cross multiply
    179,579.72x = 247,820.66 × 99,005.48
  4. Step 4: Simplify right side
    179,579.72x = 24,535,603,397.22
  5. Step 5: Solve for x
    x = 24,535,603,397.22/179,579.72
  6. Step 6: Final answer
    x = 136,627.92

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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.