Home / 179,439.78-247,623.66-98,874.75

Finding the Fourth Proportional to 179,439.78, 247,623.66 and 98,874.75

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Solution

The fourth proportional to 179,439.78, 247,623.66 and 98,874.75 is: 136,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,439.78 : 247,623.66 = 98,874.75 : x
  2. Step 2: Convert to fraction form
    179,439.78/247,623.66 = 98,874.75/x
  3. Step 3: Cross multiply
    179,439.78x = 247,623.66 × 98,874.75
  4. Step 4: Simplify right side
    179,439.78x = 24,483,727,476.59
  5. Step 5: Solve for x
    x = 24,483,727,476.59/179,439.78
  6. Step 6: Final answer
    x = 136,445.37

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1.5x scale

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.