Home / 158,193.58-218,304.22-86,572.16

Finding the Fourth Proportional to 158,193.58, 218,304.22 and 86,572.16

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Solution

The fourth proportional to 158,193.58, 218,304.22 and 86,572.16 is: 119,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,193.58 : 218,304.22 = 86,572.16 : x
  2. Step 2: Convert to fraction form
    158,193.58/218,304.22 = 86,572.16/x
  3. Step 3: Cross multiply
    158,193.58x = 218,304.22 × 86,572.16
  4. Step 4: Simplify right side
    158,193.58x = 18,899,067,429.65
  5. Step 5: Solve for x
    x = 18,899,067,429.65/158,193.58
  6. Step 6: Final answer
    x = 119,467.98

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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.