Home / 114,716.97-158,319.23-66,985.56

Finding the Fourth Proportional to 114,716.97, 158,319.23 and 66,985.56

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Solution

The fourth proportional to 114,716.97, 158,319.23 and 66,985.56 is: 92,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,716.97 : 158,319.23 = 66,985.56 : x
  2. Step 2: Convert to fraction form
    114,716.97/158,319.23 = 66,985.56/x
  3. Step 3: Cross multiply
    114,716.97x = 158,319.23 × 66,985.56
  4. Step 4: Simplify right side
    114,716.97x = 10,605,101,945.39
  5. Step 5: Solve for x
    x = 10,605,101,945.39/114,716.97
  6. Step 6: Final answer
    x = 92,445.80

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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.