Home / 481,254.20-721,741.14-144,281.40

Finding the Fourth Proportional to 481,254.20, 721,741.14 and 144,281.40

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Solution

The fourth proportional to 481,254.20, 721,741.14 and 144,281.40 is: 216,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,254.20 : 721,741.14 = 144,281.40 : x
  2. Step 2: Convert to fraction form
    481,254.20/721,741.14 = 144,281.40/x
  3. Step 3: Cross multiply
    481,254.20x = 721,741.14 × 144,281.40
  4. Step 4: Simplify right side
    481,254.20x = 104,133,822,116.80
  5. Step 5: Solve for x
    x = 104,133,822,116.80/481,254.20
  6. Step 6: Final answer
    x = 216,380.08

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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.