Home / 110,209.68-152,079.12-62,467.20

Finding the Fourth Proportional to 110,209.68, 152,079.12 and 62,467.20

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Solution

The fourth proportional to 110,209.68, 152,079.12 and 62,467.20 is: 86,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,209.68 : 152,079.12 = 62,467.20 : x
  2. Step 2: Convert to fraction form
    110,209.68/152,079.12 = 62,467.20/x
  3. Step 3: Cross multiply
    110,209.68x = 152,079.12 × 62,467.20
  4. Step 4: Simplify right side
    110,209.68x = 9,499,956,804.86
  5. Step 5: Solve for x
    x = 9,499,956,804.86/110,209.68
  6. Step 6: Final answer
    x = 86,198.93

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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.