Home / 150,199.25-225,376.52-66,018.38

Finding the Fourth Proportional to 150,199.25, 225,376.52 and 66,018.38

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Solution

The fourth proportional to 150,199.25, 225,376.52 and 66,018.38 is: 99,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,199.25 : 225,376.52 = 66,018.38 : x
  2. Step 2: Convert to fraction form
    150,199.25/225,376.52 = 66,018.38/x
  3. Step 3: Cross multiply
    150,199.25x = 225,376.52 × 66,018.38
  4. Step 4: Simplify right side
    150,199.25x = 14,878,991,283.46
  5. Step 5: Solve for x
    x = 14,878,991,283.46/150,199.25
  6. Step 6: Final answer
    x = 99,061.69

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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.