Home / 481,031.06-721,343.59-144,119.61

Finding the Fourth Proportional to 481,031.06, 721,343.59 and 144,119.61

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Solution

The fourth proportional to 481,031.06, 721,343.59 and 144,119.61 is: 216,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,031.06 : 721,343.59 = 144,119.61 : x
  2. Step 2: Convert to fraction form
    481,031.06/721,343.59 = 144,119.61/x
  3. Step 3: Cross multiply
    481,031.06x = 721,343.59 × 144,119.61
  4. Step 4: Simplify right side
    481,031.06x = 103,959,756,506.50
  5. Step 5: Solve for x
    x = 103,959,756,506.50/481,031.06
  6. Step 6: Final answer
    x = 216,118.60

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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.