Home / 199,857.14-275,818.58-113,819.76

Finding the Fourth Proportional to 199,857.14, 275,818.58 and 113,819.76

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Solution

The fourth proportional to 199,857.14, 275,818.58 and 113,819.76 is: 157,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,857.14 : 275,818.58 = 113,819.76 : x
  2. Step 2: Convert to fraction form
    199,857.14/275,818.58 = 113,819.76/x
  3. Step 3: Cross multiply
    199,857.14x = 275,818.58 × 113,819.76
  4. Step 4: Simplify right side
    199,857.14x = 31,393,604,010.04
  5. Step 5: Solve for x
    x = 31,393,604,010.04/199,857.14
  6. Step 6: Final answer
    x = 157,080.23

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1.5x scale

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.