Home / 187,350.18-258,536.85-106,803.66

Finding the Fourth Proportional to 187,350.18, 258,536.85 and 106,803.66

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Solution

The fourth proportional to 187,350.18, 258,536.85 and 106,803.66 is: 147,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,350.18 : 258,536.85 = 106,803.66 : x
  2. Step 2: Convert to fraction form
    187,350.18/258,536.85 = 106,803.66/x
  3. Step 3: Cross multiply
    187,350.18x = 258,536.85 × 106,803.66
  4. Step 4: Simplify right side
    187,350.18x = 27,612,682,393.87
  5. Step 5: Solve for x
    x = 27,612,682,393.87/187,350.18
  6. Step 6: Final answer
    x = 147,385.41

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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.