Home / 199,071.52-274,718.68-109,647.52

Finding the Fourth Proportional to 199,071.52, 274,718.68 and 109,647.52

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Solution

The fourth proportional to 199,071.52, 274,718.68 and 109,647.52 is: 151,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,071.52 : 274,718.68 = 109,647.52 : x
  2. Step 2: Convert to fraction form
    199,071.52/274,718.68 = 109,647.52/x
  3. Step 3: Cross multiply
    199,071.52x = 274,718.68 × 109,647.52
  4. Step 4: Simplify right side
    199,071.52x = 30,122,221,959.67
  5. Step 5: Solve for x
    x = 30,122,221,959.67/199,071.52
  6. Step 6: Final answer
    x = 151,313.57

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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.