Home / 179,442.78-247,627.80-98,877.75

Finding the Fourth Proportional to 179,442.78, 247,627.80 and 98,877.75

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Solution

The fourth proportional to 179,442.78, 247,627.80 and 98,877.75 is: 136,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,442.78 : 247,627.80 = 98,877.75 : x
  2. Step 2: Convert to fraction form
    179,442.78/247,627.80 = 98,877.75/x
  3. Step 3: Cross multiply
    179,442.78x = 247,627.80 × 98,877.75
  4. Step 4: Simplify right side
    179,442.78x = 24,484,879,701.45
  5. Step 5: Solve for x
    x = 24,484,879,701.45/179,442.78
  6. Step 6: Final answer
    x = 136,449.51

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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.