Home / 156,092.24-215,319.60-98,713.86

Finding the Fourth Proportional to 156,092.24, 215,319.60 and 98,713.86

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Solution

The fourth proportional to 156,092.24, 215,319.60 and 98,713.86 is: 136,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,092.24 : 215,319.60 = 98,713.86 : x
  2. Step 2: Convert to fraction form
    156,092.24/215,319.60 = 98,713.86/x
  3. Step 3: Cross multiply
    156,092.24x = 215,319.60 × 98,713.86
  4. Step 4: Simplify right side
    156,092.24x = 21,255,028,849.66
  5. Step 5: Solve for x
    x = 21,255,028,849.66/156,092.24
  6. Step 6: Final answer
    x = 136,169.67

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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.