Home / 199,775.22-275,695.74-109,132.69

Finding the Fourth Proportional to 199,775.22, 275,695.74 and 109,132.69

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Solution

The fourth proportional to 199,775.22, 275,695.74 and 109,132.69 is: 150,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,775.22 : 275,695.74 = 109,132.69 : x
  2. Step 2: Convert to fraction form
    199,775.22/275,695.74 = 109,132.69/x
  3. Step 3: Cross multiply
    199,775.22x = 275,695.74 × 109,132.69
  4. Step 4: Simplify right side
    199,775.22x = 30,087,417,727.74
  5. Step 5: Solve for x
    x = 30,087,417,727.74/199,775.22
  6. Step 6: Final answer
    x = 150,606.36

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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.