Home / 150,057.90-225,150.02-65,774.56

Finding the Fourth Proportional to 150,057.90, 225,150.02 and 65,774.56

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Solution

The fourth proportional to 150,057.90, 225,150.02 and 65,774.56 is: 98,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,057.90 : 225,150.02 = 65,774.56 : x
  2. Step 2: Convert to fraction form
    150,057.90/225,150.02 = 65,774.56/x
  3. Step 3: Cross multiply
    150,057.90x = 225,150.02 × 65,774.56
  4. Step 4: Simplify right side
    150,057.90x = 14,809,143,499.49
  5. Step 5: Solve for x
    x = 14,809,143,499.49/150,057.90
  6. Step 6: Final answer
    x = 98,689.53

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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.