Home / 148,449.28-204,837.72-84,773.60

Finding the Fourth Proportional to 148,449.28, 204,837.72 and 84,773.60

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Solution

The fourth proportional to 148,449.28, 204,837.72 and 84,773.60 is: 116,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,449.28 : 204,837.72 = 84,773.60 : x
  2. Step 2: Convert to fraction form
    148,449.28/204,837.72 = 84,773.60/x
  3. Step 3: Cross multiply
    148,449.28x = 204,837.72 × 84,773.60
  4. Step 4: Simplify right side
    148,449.28x = 17,364,830,940.19
  5. Step 5: Solve for x
    x = 17,364,830,940.19/148,449.28
  6. Step 6: Final answer
    x = 116,974.84

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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.