Home / 154,005.32-231,081.80-75,076.52

Finding the Fourth Proportional to 154,005.32, 231,081.80 and 75,076.52

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Solution

The fourth proportional to 154,005.32, 231,081.80 and 75,076.52 is: 112,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,005.32 : 231,081.80 = 75,076.52 : x
  2. Step 2: Convert to fraction form
    154,005.32/231,081.80 = 75,076.52/x
  3. Step 3: Cross multiply
    154,005.32x = 231,081.80 × 75,076.52
  4. Step 4: Simplify right side
    154,005.32x = 17,348,817,379.34
  5. Step 5: Solve for x
    x = 17,348,817,379.34/154,005.32
  6. Step 6: Final answer
    x = 112,650.77

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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.