Home / 654,125.10-981,159.66-204,836.01

Finding the Fourth Proportional to 654,125.10, 981,159.66 and 204,836.01

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Solution

The fourth proportional to 654,125.10, 981,159.66 and 204,836.01 is: 307,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,125.10 : 981,159.66 = 204,836.01 : x
  2. Step 2: Convert to fraction form
    654,125.10/981,159.66 = 204,836.01/x
  3. Step 3: Cross multiply
    654,125.10x = 981,159.66 × 204,836.01
  4. Step 4: Simplify right side
    654,125.10x = 200,976,829,927.36
  5. Step 5: Solve for x
    x = 200,976,829,927.36/654,125.10
  6. Step 6: Final answer
    x = 307,245.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.