Home / 187,679.28-258,973.74-149,535.48

Finding the Fourth Proportional to 187,679.28, 258,973.74 and 149,535.48

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Solution

The fourth proportional to 187,679.28, 258,973.74 and 149,535.48 is: 206,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,679.28 : 258,973.74 = 149,535.48 : x
  2. Step 2: Convert to fraction form
    187,679.28/258,973.74 = 149,535.48/x
  3. Step 3: Cross multiply
    187,679.28x = 258,973.74 × 149,535.48
  4. Step 4: Simplify right side
    187,679.28x = 38,725,762,518.30
  5. Step 5: Solve for x
    x = 38,725,762,518.30/187,679.28
  6. Step 6: Final answer
    x = 206,340.11

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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.