Home / 199,543.77-275,147.15-163,131.57

Finding the Fourth Proportional to 199,543.77, 275,147.15 and 163,131.57

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Solution

The fourth proportional to 199,543.77, 275,147.15 and 163,131.57 is: 224,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,543.77 : 275,147.15 = 163,131.57 : x
  2. Step 2: Convert to fraction form
    199,543.77/275,147.15 = 163,131.57/x
  3. Step 3: Cross multiply
    199,543.77x = 275,147.15 × 163,131.57
  4. Step 4: Simplify right side
    199,543.77x = 44,885,185,744.87
  5. Step 5: Solve for x
    x = 44,885,185,744.87/199,543.77
  6. Step 6: Final answer
    x = 224,939.05

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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.