Home / 199,140.76-274,814.10-109,716.76

Finding the Fourth Proportional to 199,140.76, 274,814.10 and 109,716.76

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Solution

The fourth proportional to 199,140.76, 274,814.10 and 109,716.76 is: 151,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,140.76 : 274,814.10 = 109,716.76 : x
  2. Step 2: Convert to fraction form
    199,140.76/274,814.10 = 109,716.76/x
  3. Step 3: Cross multiply
    199,140.76x = 274,814.10 × 109,716.76
  4. Step 4: Simplify right side
    199,140.76x = 30,151,712,654.32
  5. Step 5: Solve for x
    x = 30,151,712,654.32/199,140.76
  6. Step 6: Final answer
    x = 151,409.05

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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.