Home / 198,337.22-273,637.77-126,758.53

Finding the Fourth Proportional to 198,337.22, 273,637.77 and 126,758.53

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Solution

The fourth proportional to 198,337.22, 273,637.77 and 126,758.53 is: 174,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,337.22 : 273,637.77 = 126,758.53 : x
  2. Step 2: Convert to fraction form
    198,337.22/273,637.77 = 126,758.53/x
  3. Step 3: Cross multiply
    198,337.22x = 273,637.77 × 126,758.53
  4. Step 4: Simplify right side
    198,337.22x = 34,685,920,159.79
  5. Step 5: Solve for x
    x = 34,685,920,159.79/198,337.22
  6. Step 6: Final answer
    x = 174,883.57

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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.