Home / 499,314.16-748,976.70-144,331.25

Finding the Fourth Proportional to 499,314.16, 748,976.70 and 144,331.25

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Solution

The fourth proportional to 499,314.16, 748,976.70 and 144,331.25 is: 216,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,314.16 : 748,976.70 = 144,331.25 : x
  2. Step 2: Convert to fraction form
    499,314.16/748,976.70 = 144,331.25/x
  3. Step 3: Cross multiply
    499,314.16x = 748,976.70 × 144,331.25
  4. Step 4: Simplify right side
    499,314.16x = 108,100,743,331.88
  5. Step 5: Solve for x
    x = 108,100,743,331.88/499,314.16
  6. Step 6: Final answer
    x = 216,498.46

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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.