Home / 158,087.36-218,151.42-86,467.97

Finding the Fourth Proportional to 158,087.36, 218,151.42 and 86,467.97

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Solution

The fourth proportional to 158,087.36, 218,151.42 and 86,467.97 is: 119,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,087.36 : 218,151.42 = 86,467.97 : x
  2. Step 2: Convert to fraction form
    158,087.36/218,151.42 = 86,467.97/x
  3. Step 3: Cross multiply
    158,087.36x = 218,151.42 × 86,467.97
  4. Step 4: Simplify right side
    158,087.36x = 18,863,110,440.02
  5. Step 5: Solve for x
    x = 18,863,110,440.02/158,087.36
  6. Step 6: Final answer
    x = 119,320.80

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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.