Home / 154,047.78-231,013.35-60,502.50

Finding the Fourth Proportional to 154,047.78, 231,013.35 and 60,502.50

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Solution

The fourth proportional to 154,047.78, 231,013.35 and 60,502.50 is: 90,730.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,047.78 : 231,013.35 = 60,502.50 : x
  2. Step 2: Convert to fraction form
    154,047.78/231,013.35 = 60,502.50/x
  3. Step 3: Cross multiply
    154,047.78x = 231,013.35 × 60,502.50
  4. Step 4: Simplify right side
    154,047.78x = 13,976,885,208.38
  5. Step 5: Solve for x
    x = 13,976,885,208.38/154,047.78
  6. Step 6: Final answer
    x = 90,730.84

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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.