Home / 199,818.32-275,746.07-109,172.34

Finding the Fourth Proportional to 199,818.32, 275,746.07 and 109,172.34

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Solution

The fourth proportional to 199,818.32, 275,746.07 and 109,172.34 is: 150,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,818.32 : 275,746.07 = 109,172.34 : x
  2. Step 2: Convert to fraction form
    199,818.32/275,746.07 = 109,172.34/x
  3. Step 3: Cross multiply
    199,818.32x = 275,746.07 × 109,172.34
  4. Step 4: Simplify right side
    199,818.32x = 30,103,843,161.84
  5. Step 5: Solve for x
    x = 30,103,843,161.84/199,818.32
  6. Step 6: Final answer
    x = 150,656.07

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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.