Home / 178,999.72-247,023.62-98,422.12

Finding the Fourth Proportional to 178,999.72, 247,023.62 and 98,422.12

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Solution

The fourth proportional to 178,999.72, 247,023.62 and 98,422.12 is: 135,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,999.72 : 247,023.62 = 98,422.12 : x
  2. Step 2: Convert to fraction form
    178,999.72/247,023.62 = 98,422.12/x
  3. Step 3: Cross multiply
    178,999.72x = 247,023.62 × 98,422.12
  4. Step 4: Simplify right side
    178,999.72x = 24,312,588,370.47
  5. Step 5: Solve for x
    x = 24,312,588,370.47/178,999.72
  6. Step 6: Final answer
    x = 135,824.73

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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.