Home / 199,818.39-275,746.14-109,172.41

Finding the Fourth Proportional to 199,818.39, 275,746.14 and 109,172.41

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Solution

The fourth proportional to 199,818.39, 275,746.14 and 109,172.41 is: 150,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,818.39 : 275,746.14 = 109,172.41 : x
  2. Step 2: Convert to fraction form
    199,818.39/275,746.14 = 109,172.41/x
  3. Step 3: Cross multiply
    199,818.39x = 275,746.14 × 109,172.41
  4. Step 4: Simplify right side
    199,818.39x = 30,103,869,962.63
  5. Step 5: Solve for x
    x = 30,103,869,962.63/199,818.39
  6. Step 6: Final answer
    x = 150,656.15

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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.