Home / 214,987.05-296,675.60-123,103.35

Finding the Fourth Proportional to 214,987.05, 296,675.60 and 123,103.35

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Solution

The fourth proportional to 214,987.05, 296,675.60 and 123,103.35 is: 169,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,987.05 : 296,675.60 = 123,103.35 : x
  2. Step 2: Convert to fraction form
    214,987.05/296,675.60 = 123,103.35/x
  3. Step 3: Cross multiply
    214,987.05x = 296,675.60 × 123,103.35
  4. Step 4: Simplify right side
    214,987.05x = 36,521,759,607.74
  5. Step 5: Solve for x
    x = 36,521,759,607.74/214,987.05
  6. Step 6: Final answer
    x = 169,878.88

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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.