Home / 133,868.68-184,738.02-73,437.78

Finding the Fourth Proportional to 133,868.68, 184,738.02 and 73,437.78

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Solution

The fourth proportional to 133,868.68, 184,738.02 and 73,437.78 is: 101,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,868.68 : 184,738.02 = 73,437.78 : x
  2. Step 2: Convert to fraction form
    133,868.68/184,738.02 = 73,437.78/x
  3. Step 3: Cross multiply
    133,868.68x = 184,738.02 × 73,437.78
  4. Step 4: Simplify right side
    133,868.68x = 13,566,750,070.40
  5. Step 5: Solve for x
    x = 13,566,750,070.40/133,868.68
  6. Step 6: Final answer
    x = 101,343.72

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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.