Home / 158,424.44-218,651.66-90,444.24

Finding the Fourth Proportional to 158,424.44, 218,651.66 and 90,444.24

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Solution

The fourth proportional to 158,424.44, 218,651.66 and 90,444.24 is: 124,827.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,424.44 : 218,651.66 = 90,444.24 : x
  2. Step 2: Convert to fraction form
    158,424.44/218,651.66 = 90,444.24/x
  3. Step 3: Cross multiply
    158,424.44x = 218,651.66 × 90,444.24
  4. Step 4: Simplify right side
    158,424.44x = 19,775,783,213.44
  5. Step 5: Solve for x
    x = 19,775,783,213.44/158,424.44
  6. Step 6: Final answer
    x = 124,827.86

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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.