Home / 132,937.86-199,444.44-54,108.66

Finding the Fourth Proportional to 132,937.86, 199,444.44 and 54,108.66

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Solution

The fourth proportional to 132,937.86, 199,444.44 and 54,108.66 is: 81,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,937.86 : 199,444.44 = 54,108.66 : x
  2. Step 2: Convert to fraction form
    132,937.86/199,444.44 = 54,108.66/x
  3. Step 3: Cross multiply
    132,937.86x = 199,444.44 × 54,108.66
  4. Step 4: Simplify right side
    132,937.86x = 10,791,671,392.85
  5. Step 5: Solve for x
    x = 10,791,671,392.85/132,937.86
  6. Step 6: Final answer
    x = 81,178.31

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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.