Home / 499,254.71-748,920.33-144,271.80

Finding the Fourth Proportional to 499,254.71, 748,920.33 and 144,271.80

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Solution

The fourth proportional to 499,254.71, 748,920.33 and 144,271.80 is: 216,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,254.71 : 748,920.33 = 144,271.80 : x
  2. Step 2: Convert to fraction form
    499,254.71/748,920.33 = 144,271.80/x
  3. Step 3: Cross multiply
    499,254.71x = 748,920.33 × 144,271.80
  4. Step 4: Simplify right side
    499,254.71x = 108,048,084,065.69
  5. Step 5: Solve for x
    x = 108,048,084,065.69/499,254.71
  6. Step 6: Final answer
    x = 216,418.76

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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.