Home / 199,756.81-275,659.86-109,113.18

Finding the Fourth Proportional to 199,756.81, 275,659.86 and 109,113.18

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Solution

The fourth proportional to 199,756.81, 275,659.86 and 109,113.18 is: 150,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,756.81 : 275,659.86 = 109,113.18 : x
  2. Step 2: Convert to fraction form
    199,756.81/275,659.86 = 109,113.18/x
  3. Step 3: Cross multiply
    199,756.81x = 275,659.86 × 109,113.18
  4. Step 4: Simplify right side
    199,756.81x = 30,078,122,684.64
  5. Step 5: Solve for x
    x = 30,078,122,684.64/199,756.81
  6. Step 6: Final answer
    x = 150,573.70

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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.