Home / 158,613.32-218,891.96-86,993.63

Finding the Fourth Proportional to 158,613.32, 218,891.96 and 86,993.63

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Solution

The fourth proportional to 158,613.32, 218,891.96 and 86,993.63 is: 120,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,613.32 : 218,891.96 = 86,993.63 : x
  2. Step 2: Convert to fraction form
    158,613.32/218,891.96 = 86,993.63/x
  3. Step 3: Cross multiply
    158,613.32x = 218,891.96 × 86,993.63
  4. Step 4: Simplify right side
    158,613.32x = 19,042,206,178.21
  5. Step 5: Solve for x
    x = 19,042,206,178.21/158,613.32
  6. Step 6: Final answer
    x = 120,054.27

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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.