Home / 272,121.48-375,532.16-149,619.03

Finding the Fourth Proportional to 272,121.48, 375,532.16 and 149,619.03

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Solution

The fourth proportional to 272,121.48, 375,532.16 and 149,619.03 is: 206,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,121.48 : 375,532.16 = 149,619.03 : x
  2. Step 2: Convert to fraction form
    272,121.48/375,532.16 = 149,619.03/x
  3. Step 3: Cross multiply
    272,121.48x = 375,532.16 × 149,619.03
  4. Step 4: Simplify right side
    272,121.48x = 56,186,756,764.91
  5. Step 5: Solve for x
    x = 56,186,756,764.91/272,121.48
  6. Step 6: Final answer
    x = 206,476.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.