Home / 131,793.79-181,875.67-73,650.52

Finding the Fourth Proportional to 131,793.79, 181,875.67 and 73,650.52

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Solution

The fourth proportional to 131,793.79, 181,875.67 and 73,650.52 is: 101,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,793.79 : 181,875.67 = 73,650.52 : x
  2. Step 2: Convert to fraction form
    131,793.79/181,875.67 = 73,650.52/x
  3. Step 3: Cross multiply
    131,793.79x = 181,875.67 × 73,650.52
  4. Step 4: Simplify right side
    131,793.79x = 13,395,236,393.22
  5. Step 5: Solve for x
    x = 13,395,236,393.22/131,793.79
  6. Step 6: Final answer
    x = 101,637.85

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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.