Home / 158,350.26-218,515.23-86,716.44

Finding the Fourth Proportional to 158,350.26, 218,515.23 and 86,716.44

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Solution

The fourth proportional to 158,350.26, 218,515.23 and 86,716.44 is: 119,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,350.26 : 218,515.23 = 86,716.44 : x
  2. Step 2: Convert to fraction form
    158,350.26/218,515.23 = 86,716.44/x
  3. Step 3: Cross multiply
    158,350.26x = 218,515.23 × 86,716.44
  4. Step 4: Simplify right side
    158,350.26x = 18,948,862,831.38
  5. Step 5: Solve for x
    x = 18,948,862,831.38/158,350.26
  6. Step 6: Final answer
    x = 119,664.24

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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.