Home / 114,799.20-158,047.38-90,555.90

Finding the Fourth Proportional to 114,799.20, 158,047.38 and 90,555.90

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Solution

The fourth proportional to 114,799.20, 158,047.38 and 90,555.90 is: 124,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,799.20 : 158,047.38 = 90,555.90 : x
  2. Step 2: Convert to fraction form
    114,799.20/158,047.38 = 90,555.90/x
  3. Step 3: Cross multiply
    114,799.20x = 158,047.38 × 90,555.90
  4. Step 4: Simplify right side
    114,799.20x = 14,312,122,738.54
  5. Step 5: Solve for x
    x = 14,312,122,738.54/114,799.20
  6. Step 6: Final answer
    x = 124,670.93

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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.