Home / 202,491.43-279,436.84-111,853.24

Finding the Fourth Proportional to 202,491.43, 279,436.84 and 111,853.24

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Solution

The fourth proportional to 202,491.43, 279,436.84 and 111,853.24 is: 154,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,491.43 : 279,436.84 = 111,853.24 : x
  2. Step 2: Convert to fraction form
    202,491.43/279,436.84 = 111,853.24/x
  3. Step 3: Cross multiply
    202,491.43x = 279,436.84 × 111,853.24
  4. Step 4: Simplify right side
    202,491.43x = 31,255,915,929.36
  5. Step 5: Solve for x
    x = 31,255,915,929.36/202,491.43
  6. Step 6: Final answer
    x = 154,356.73

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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.