Home / 158,024.20-218,093.44-90,065.60

Finding the Fourth Proportional to 158,024.20, 218,093.44 and 90,065.60

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Solution

The fourth proportional to 158,024.20, 218,093.44 and 90,065.60 is: 124,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,024.20 : 218,093.44 = 90,065.60 : x
  2. Step 2: Convert to fraction form
    158,024.20/218,093.44 = 90,065.60/x
  3. Step 3: Cross multiply
    158,024.20x = 218,093.44 × 90,065.60
  4. Step 4: Simplify right side
    158,024.20x = 19,642,716,529.66
  5. Step 5: Solve for x
    x = 19,642,716,529.66/158,024.20
  6. Step 6: Final answer
    x = 124,301.95

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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.