Home / 136,472.54-204,823.83-57,643.34

Finding the Fourth Proportional to 136,472.54, 204,823.83 and 57,643.34

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Solution

The fourth proportional to 136,472.54, 204,823.83 and 57,643.34 is: 86,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,472.54 : 204,823.83 = 57,643.34 : x
  2. Step 2: Convert to fraction form
    136,472.54/204,823.83 = 57,643.34/x
  3. Step 3: Cross multiply
    136,472.54x = 204,823.83 × 57,643.34
  4. Step 4: Simplify right side
    136,472.54x = 11,806,729,672.79
  5. Step 5: Solve for x
    x = 11,806,729,672.79/136,472.54
  6. Step 6: Final answer
    x = 86,513.59

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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.