Home / 165,972.60-248,302.80-144,029.70

Finding the Fourth Proportional to 165,972.60, 248,302.80 and 144,029.70

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Solution

The fourth proportional to 165,972.60, 248,302.80 and 144,029.70 is: 215,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,972.60 : 248,302.80 = 144,029.70 : x
  2. Step 2: Convert to fraction form
    165,972.60/248,302.80 = 144,029.70/x
  3. Step 3: Cross multiply
    165,972.60x = 248,302.80 × 144,029.70
  4. Step 4: Simplify right side
    165,972.60x = 35,762,977,793.16
  5. Step 5: Solve for x
    x = 35,762,977,793.16/165,972.60
  6. Step 6: Final answer
    x = 215,475.19

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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.