Home / 156,949.36-216,585.56-88,972.60

Finding the Fourth Proportional to 156,949.36, 216,585.56 and 88,972.60

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Solution

The fourth proportional to 156,949.36, 216,585.56 and 88,972.60 is: 122,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.36 : 216,585.56 = 88,972.60 : x
  2. Step 2: Convert to fraction form
    156,949.36/216,585.56 = 88,972.60/x
  3. Step 3: Cross multiply
    156,949.36x = 216,585.56 × 88,972.60
  4. Step 4: Simplify right side
    156,949.36x = 19,270,180,395.66
  5. Step 5: Solve for x
    x = 19,270,180,395.66/156,949.36
  6. Step 6: Final answer
    x = 122,779.60

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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.