Home / 199,838.22-275,768.19-109,192.74

Finding the Fourth Proportional to 199,838.22, 275,768.19 and 109,192.74

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Solution

The fourth proportional to 199,838.22, 275,768.19 and 109,192.74 is: 150,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,838.22 : 275,768.19 = 109,192.74 : x
  2. Step 2: Convert to fraction form
    199,838.22/275,768.19 = 109,192.74/x
  3. Step 3: Cross multiply
    199,838.22x = 275,768.19 × 109,192.74
  4. Step 4: Simplify right side
    199,838.22x = 30,111,884,270.94
  5. Step 5: Solve for x
    x = 30,111,884,270.94/199,838.22
  6. Step 6: Final answer
    x = 150,681.31

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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.