Home / 199,543.20-275,347.02-114,687.60

Finding the Fourth Proportional to 199,543.20, 275,347.02 and 114,687.60

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Solution

The fourth proportional to 199,543.20, 275,347.02 and 114,687.60 is: 158,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,543.20 : 275,347.02 = 114,687.60 : x
  2. Step 2: Convert to fraction form
    199,543.20/275,347.02 = 114,687.60/x
  3. Step 3: Cross multiply
    199,543.20x = 275,347.02 × 114,687.60
  4. Step 4: Simplify right side
    199,543.20x = 31,578,888,890.95
  5. Step 5: Solve for x
    x = 31,578,888,890.95/199,543.20
  6. Step 6: Final answer
    x = 158,255.90

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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.