Home / 156,997.22-216,592.25-88,999.79

Finding the Fourth Proportional to 156,997.22, 216,592.25 and 88,999.79

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Solution

The fourth proportional to 156,997.22, 216,592.25 and 88,999.79 is: 122,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,997.22 : 216,592.25 = 88,999.79 : x
  2. Step 2: Convert to fraction form
    156,997.22/216,592.25 = 88,999.79/x
  3. Step 3: Cross multiply
    156,997.22x = 216,592.25 × 88,999.79
  4. Step 4: Simplify right side
    156,997.22x = 19,276,663,237.67
  5. Step 5: Solve for x
    x = 19,276,663,237.67/156,997.22
  6. Step 6: Final answer
    x = 122,783.47

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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.