Home / 124,936.83-172,357.20-79,590.20

Finding the Fourth Proportional to 124,936.83, 172,357.20 and 79,590.20

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Solution

The fourth proportional to 124,936.83, 172,357.20 and 79,590.20 is: 109,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,936.83 : 172,357.20 = 79,590.20 : x
  2. Step 2: Convert to fraction form
    124,936.83/172,357.20 = 79,590.20/x
  3. Step 3: Cross multiply
    124,936.83x = 172,357.20 × 79,590.20
  4. Step 4: Simplify right side
    124,936.83x = 13,717,943,157.65
  5. Step 5: Solve for x
    x = 13,717,943,157.65/124,936.83
  6. Step 6: Final answer
    x = 109,799.03

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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.