Home / 202,699.13-279,700.56-112,042.85

Finding the Fourth Proportional to 202,699.13, 279,700.56 and 112,042.85

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Solution

The fourth proportional to 202,699.13, 279,700.56 and 112,042.85 is: 154,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,699.13 : 279,700.56 = 112,042.85 : x
  2. Step 2: Convert to fraction form
    202,699.13/279,700.56 = 112,042.85/x
  3. Step 3: Cross multiply
    202,699.13x = 279,700.56 × 112,042.85
  4. Step 4: Simplify right side
    202,699.13x = 31,338,446,490.49
  5. Step 5: Solve for x
    x = 31,338,446,490.49/202,699.13
  6. Step 6: Final answer
    x = 154,605.73

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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.