Home / 199,818.45-275,746.24-109,172.46

Finding the Fourth Proportional to 199,818.45, 275,746.24 and 109,172.46

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Solution

The fourth proportional to 199,818.45, 275,746.24 and 109,172.46 is: 150,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,818.45 : 275,746.24 = 109,172.46 : x
  2. Step 2: Convert to fraction form
    199,818.45/275,746.24 = 109,172.46/x
  3. Step 3: Cross multiply
    199,818.45x = 275,746.24 × 109,172.46
  4. Step 4: Simplify right side
    199,818.45x = 30,103,896,117.67
  5. Step 5: Solve for x
    x = 30,103,896,117.67/199,818.45
  6. Step 6: Final answer
    x = 150,656.24

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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.