Home / 150,534.24-225,638.88-66,219.36

Finding the Fourth Proportional to 150,534.24, 225,638.88 and 66,219.36

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Solution

The fourth proportional to 150,534.24, 225,638.88 and 66,219.36 is: 99,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,534.24 : 225,638.88 = 66,219.36 : x
  2. Step 2: Convert to fraction form
    150,534.24/225,638.88 = 66,219.36/x
  3. Step 3: Cross multiply
    150,534.24x = 225,638.88 × 66,219.36
  4. Step 4: Simplify right side
    150,534.24x = 14,941,662,224.72
  5. Step 5: Solve for x
    x = 14,941,662,224.72/150,534.24
  6. Step 6: Final answer
    x = 99,257.57

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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.