Home / 204,628.13-282,430.37-137,521.25

Finding the Fourth Proportional to 204,628.13, 282,430.37 and 137,521.25

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Solution

The fourth proportional to 204,628.13, 282,430.37 and 137,521.25 is: 189,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,628.13 : 282,430.37 = 137,521.25 : x
  2. Step 2: Convert to fraction form
    204,628.13/282,430.37 = 137,521.25/x
  3. Step 3: Cross multiply
    204,628.13x = 282,430.37 × 137,521.25
  4. Step 4: Simplify right side
    204,628.13x = 38,840,177,520.36
  5. Step 5: Solve for x
    x = 38,840,177,520.36/204,628.13
  6. Step 6: Final answer
    x = 189,808.59

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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.