Home / 156,867.83-216,480.36-88,883.11

Finding the Fourth Proportional to 156,867.83, 216,480.36 and 88,883.11

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Solution

The fourth proportional to 156,867.83, 216,480.36 and 88,883.11 is: 122,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,867.83 : 216,480.36 = 88,883.11 : x
  2. Step 2: Convert to fraction form
    156,867.83/216,480.36 = 88,883.11/x
  3. Step 3: Cross multiply
    156,867.83x = 216,480.36 × 88,883.11
  4. Step 4: Simplify right side
    156,867.83x = 19,241,447,650.72
  5. Step 5: Solve for x
    x = 19,241,447,650.72/156,867.83
  6. Step 6: Final answer
    x = 122,660.25

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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.