Home / 156,374.76-215,791.86-92,674.80

Finding the Fourth Proportional to 156,374.76, 215,791.86 and 92,674.80

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Solution

The fourth proportional to 156,374.76, 215,791.86 and 92,674.80 is: 127,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,374.76 : 215,791.86 = 92,674.80 : x
  2. Step 2: Convert to fraction form
    156,374.76/215,791.86 = 92,674.80/x
  3. Step 3: Cross multiply
    156,374.76x = 215,791.86 × 92,674.80
  4. Step 4: Simplify right side
    156,374.76x = 19,998,467,467.13
  5. Step 5: Solve for x
    x = 19,998,467,467.13/156,374.76
  6. Step 6: Final answer
    x = 127,888.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.