Home / 165,666.20-248,499.30-144,930.20

Finding the Fourth Proportional to 165,666.20, 248,499.30 and 144,930.20

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Solution

The fourth proportional to 165,666.20, 248,499.30 and 144,930.20 is: 217,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,666.20 : 248,499.30 = 144,930.20 : x
  2. Step 2: Convert to fraction form
    165,666.20/248,499.30 = 144,930.20/x
  3. Step 3: Cross multiply
    165,666.20x = 248,499.30 × 144,930.20
  4. Step 4: Simplify right side
    165,666.20x = 36,015,053,248.86
  5. Step 5: Solve for x
    x = 36,015,053,248.86/165,666.20
  6. Step 6: Final answer
    x = 217,395.30

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1.5x scale

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.