Home / 187,567.73-258,868.11-106,976.78

Finding the Fourth Proportional to 187,567.73, 258,868.11 and 106,976.78

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Solution

The fourth proportional to 187,567.73, 258,868.11 and 106,976.78 is: 147,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,567.73 : 258,868.11 = 106,976.78 : x
  2. Step 2: Convert to fraction form
    187,567.73/258,868.11 = 106,976.78/x
  3. Step 3: Cross multiply
    187,567.73x = 258,868.11 × 106,976.78
  4. Step 4: Simplify right side
    187,567.73x = 27,692,877,499.66
  5. Step 5: Solve for x
    x = 27,692,877,499.66/187,567.73
  6. Step 6: Final answer
    x = 147,642.01

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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.