Home / 199,204.13-274,901.70-109,780.13

Finding the Fourth Proportional to 199,204.13, 274,901.70 and 109,780.13

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Solution

The fourth proportional to 199,204.13, 274,901.70 and 109,780.13 is: 151,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,204.13 : 274,901.70 = 109,780.13 : x
  2. Step 2: Convert to fraction form
    199,204.13/274,901.70 = 109,780.13/x
  3. Step 3: Cross multiply
    199,204.13x = 274,901.70 × 109,780.13
  4. Step 4: Simplify right side
    199,204.13x = 30,178,742,782.87
  5. Step 5: Solve for x
    x = 30,178,742,782.87/199,204.13
  6. Step 6: Final answer
    x = 151,496.58

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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.