Home / 199,132.76-274,803.08-109,708.76

Finding the Fourth Proportional to 199,132.76, 274,803.08 and 109,708.76

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Solution

The fourth proportional to 199,132.76, 274,803.08 and 109,708.76 is: 151,398.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,132.76 : 274,803.08 = 109,708.76 : x
  2. Step 2: Convert to fraction form
    199,132.76/274,803.08 = 109,708.76/x
  3. Step 3: Cross multiply
    199,132.76x = 274,803.08 × 109,708.76
  4. Step 4: Simplify right side
    199,132.76x = 30,148,305,150.98
  5. Step 5: Solve for x
    x = 30,148,305,150.98/199,132.76
  6. Step 6: Final answer
    x = 151,398.02

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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.