Home / 154,058.24-231,088.20-47,440.88

Finding the Fourth Proportional to 154,058.24, 231,088.20 and 47,440.88

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Solution

The fourth proportional to 154,058.24, 231,088.20 and 47,440.88 is: 71,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,058.24 : 231,088.20 = 47,440.88 : x
  2. Step 2: Convert to fraction form
    154,058.24/231,088.20 = 47,440.88/x
  3. Step 3: Cross multiply
    154,058.24x = 231,088.20 × 47,440.88
  4. Step 4: Simplify right side
    154,058.24x = 10,963,027,565.62
  5. Step 5: Solve for x
    x = 10,963,027,565.62/154,058.24
  6. Step 6: Final answer
    x = 71,161.58

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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.