Home / 150,225.84-207,287.28-89,821.44

Finding the Fourth Proportional to 150,225.84, 207,287.28 and 89,821.44

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Solution

The fourth proportional to 150,225.84, 207,287.28 and 89,821.44 is: 123,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,225.84 : 207,287.28 = 89,821.44 : x
  2. Step 2: Convert to fraction form
    150,225.84/207,287.28 = 89,821.44/x
  3. Step 3: Cross multiply
    150,225.84x = 207,287.28 × 89,821.44
  4. Step 4: Simplify right side
    150,225.84x = 18,618,841,983.28
  5. Step 5: Solve for x
    x = 18,618,841,983.28/150,225.84
  6. Step 6: Final answer
    x = 123,939.01

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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.