Home / 262,207.20-393,602.40-144,109.20

Finding the Fourth Proportional to 262,207.20, 393,602.40 and 144,109.20

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Solution

The fourth proportional to 262,207.20, 393,602.40 and 144,109.20 is: 216,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,207.20 : 393,602.40 = 144,109.20 : x
  2. Step 2: Convert to fraction form
    262,207.20/393,602.40 = 144,109.20/x
  3. Step 3: Cross multiply
    262,207.20x = 393,602.40 × 144,109.20
  4. Step 4: Simplify right side
    262,207.20x = 56,721,726,982.08
  5. Step 5: Solve for x
    x = 56,721,726,982.08/262,207.20
  6. Step 6: Final answer
    x = 216,324.06

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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.