Home / 187,526.21-258,763.41-149,382.90

Finding the Fourth Proportional to 187,526.21, 258,763.41 and 149,382.90

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Solution

The fourth proportional to 187,526.21, 258,763.41 and 149,382.90 is: 206,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,526.21 : 258,763.41 = 149,382.90 : x
  2. Step 2: Convert to fraction form
    187,526.21/258,763.41 = 149,382.90/x
  3. Step 3: Cross multiply
    187,526.21x = 258,763.41 × 149,382.90
  4. Step 4: Simplify right side
    187,526.21x = 38,654,828,599.69
  5. Step 5: Solve for x
    x = 38,654,828,599.69/187,526.21
  6. Step 6: Final answer
    x = 206,130.28

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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.