Home / 156,582.09-216,084.78-88,599.60

Finding the Fourth Proportional to 156,582.09, 216,084.78 and 88,599.60

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Solution

The fourth proportional to 156,582.09, 216,084.78 and 88,599.60 is: 122,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,582.09 : 216,084.78 = 88,599.60 : x
  2. Step 2: Convert to fraction form
    156,582.09/216,084.78 = 88,599.60/x
  3. Step 3: Cross multiply
    156,582.09x = 216,084.78 × 88,599.60
  4. Step 4: Simplify right side
    156,582.09x = 19,145,025,074.09
  5. Step 5: Solve for x
    x = 19,145,025,074.09/156,582.09
  6. Step 6: Final answer
    x = 122,268.29

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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.