Home / 156,826.09-216,430.67-88,843.60

Finding the Fourth Proportional to 156,826.09, 216,430.67 and 88,843.60

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Solution

The fourth proportional to 156,826.09, 216,430.67 and 88,843.60 is: 122,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,826.09 : 216,430.67 = 88,843.60 : x
  2. Step 2: Convert to fraction form
    156,826.09/216,430.67 = 88,843.60/x
  3. Step 3: Cross multiply
    156,826.09x = 216,430.67 × 88,843.60
  4. Step 4: Simplify right side
    156,826.09x = 19,228,479,873.21
  5. Step 5: Solve for x
    x = 19,228,479,873.21/156,826.09
  6. Step 6: Final answer
    x = 122,610.21

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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.