Home / 144,867.60-217,301.40-74,008.80

Finding the Fourth Proportional to 144,867.60, 217,301.40 and 74,008.80

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Solution

The fourth proportional to 144,867.60, 217,301.40 and 74,008.80 is: 111,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,867.60 : 217,301.40 = 74,008.80 : x
  2. Step 2: Convert to fraction form
    144,867.60/217,301.40 = 74,008.80/x
  3. Step 3: Cross multiply
    144,867.60x = 217,301.40 × 74,008.80
  4. Step 4: Simplify right side
    144,867.60x = 16,082,215,852.32
  5. Step 5: Solve for x
    x = 16,082,215,852.32/144,867.60
  6. Step 6: Final answer
    x = 111,013.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.