Home / 187,763.16-259,123.53-107,216.55

Finding the Fourth Proportional to 187,763.16, 259,123.53 and 107,216.55

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Solution

The fourth proportional to 187,763.16, 259,123.53 and 107,216.55 is: 147,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,763.16 : 259,123.53 = 107,216.55 : x
  2. Step 2: Convert to fraction form
    187,763.16/259,123.53 = 107,216.55/x
  3. Step 3: Cross multiply
    187,763.16x = 259,123.53 × 107,216.55
  4. Step 4: Simplify right side
    187,763.16x = 27,782,330,910.42
  5. Step 5: Solve for x
    x = 27,782,330,910.42/187,763.16
  6. Step 6: Final answer
    x = 147,964.76

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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.