Home / 199,079.36-274,682.40-113,019.68

Finding the Fourth Proportional to 199,079.36, 274,682.40 and 113,019.68

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Solution

The fourth proportional to 199,079.36, 274,682.40 and 113,019.68 is: 155,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,079.36 : 274,682.40 = 113,019.68 : x
  2. Step 2: Convert to fraction form
    199,079.36/274,682.40 = 113,019.68/x
  3. Step 3: Cross multiply
    199,079.36x = 274,682.40 × 113,019.68
  4. Step 4: Simplify right side
    199,079.36x = 31,044,516,949.63
  5. Step 5: Solve for x
    x = 31,044,516,949.63/199,079.36
  6. Step 6: Final answer
    x = 155,940.41

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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.