Home / 187,855.06-259,243.12-101,816.79

Finding the Fourth Proportional to 187,855.06, 259,243.12 and 101,816.79

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Solution

The fourth proportional to 187,855.06, 259,243.12 and 101,816.79 is: 140,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,855.06 : 259,243.12 = 101,816.79 : x
  2. Step 2: Convert to fraction form
    187,855.06/259,243.12 = 101,816.79/x
  3. Step 3: Cross multiply
    187,855.06x = 259,243.12 × 101,816.79
  4. Step 4: Simplify right side
    187,855.06x = 26,395,302,307.98
  5. Step 5: Solve for x
    x = 26,395,302,307.98/187,855.06
  6. Step 6: Final answer
    x = 140,508.87

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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.