Home / 187,830.40-259,232.53-116,233.49

Finding the Fourth Proportional to 187,830.40, 259,232.53 and 116,233.49

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Solution

The fourth proportional to 187,830.40, 259,232.53 and 116,233.49 is: 160,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,830.40 : 259,232.53 = 116,233.49 : x
  2. Step 2: Convert to fraction form
    187,830.40/259,232.53 = 116,233.49/x
  3. Step 3: Cross multiply
    187,830.40x = 259,232.53 × 116,233.49
  4. Step 4: Simplify right side
    187,830.40x = 30,131,501,683.43
  5. Step 5: Solve for x
    x = 30,131,501,683.43/187,830.40
  6. Step 6: Final answer
    x = 160,418.66

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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.