Home / 154,507.02-231,612.57-49,257.78

Finding the Fourth Proportional to 154,507.02, 231,612.57 and 49,257.78

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Solution

The fourth proportional to 154,507.02, 231,612.57 and 49,257.78 is: 73,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,507.02 : 231,612.57 = 49,257.78 : x
  2. Step 2: Convert to fraction form
    154,507.02/231,612.57 = 49,257.78/x
  3. Step 3: Cross multiply
    154,507.02x = 231,612.57 × 49,257.78
  4. Step 4: Simplify right side
    154,507.02x = 11,408,721,018.29
  5. Step 5: Solve for x
    x = 11,408,721,018.29/154,507.02
  6. Step 6: Final answer
    x = 73,839.50

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1.5x scale

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.