Home / 158,257.44-218,400.48-86,637.24

Finding the Fourth Proportional to 158,257.44, 218,400.48 and 86,637.24

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Solution

The fourth proportional to 158,257.44, 218,400.48 and 86,637.24 is: 119,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,257.44 : 218,400.48 = 86,637.24 : x
  2. Step 2: Convert to fraction form
    158,257.44/218,400.48 = 86,637.24/x
  3. Step 3: Cross multiply
    158,257.44x = 218,400.48 × 86,637.24
  4. Step 4: Simplify right side
    158,257.44x = 18,921,614,801.88
  5. Step 5: Solve for x
    x = 18,921,614,801.88/158,257.44
  6. Step 6: Final answer
    x = 119,562.24

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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.