Home / 202,747.52-279,786.62-112,101.18

Finding the Fourth Proportional to 202,747.52, 279,786.62 and 112,101.18

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Solution

The fourth proportional to 202,747.52, 279,786.62 and 112,101.18 is: 154,696.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,747.52 : 279,786.62 = 112,101.18 : x
  2. Step 2: Convert to fraction form
    202,747.52/279,786.62 = 112,101.18/x
  3. Step 3: Cross multiply
    202,747.52x = 279,786.62 × 112,101.18
  4. Step 4: Simplify right side
    202,747.52x = 31,364,409,689.71
  5. Step 5: Solve for x
    x = 31,364,409,689.71/202,747.52
  6. Step 6: Final answer
    x = 154,696.89

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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.