Home / 199,148.74-274,814.40-113,105.59

Finding the Fourth Proportional to 199,148.74, 274,814.40 and 113,105.59

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Solution

The fourth proportional to 199,148.74, 274,814.40 and 113,105.59 is: 156,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,148.74 : 274,814.40 = 113,105.59 : x
  2. Step 2: Convert to fraction form
    199,148.74/274,814.40 = 113,105.59/x
  3. Step 3: Cross multiply
    199,148.74x = 274,814.40 × 113,105.59
  4. Step 4: Simplify right side
    199,148.74x = 31,083,044,852.50
  5. Step 5: Solve for x
    x = 31,083,044,852.50/199,148.74
  6. Step 6: Final answer
    x = 156,079.55

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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.