Home / 199,622.17-275,482.76-108,981.95

Finding the Fourth Proportional to 199,622.17, 275,482.76 and 108,981.95

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Solution

The fourth proportional to 199,622.17, 275,482.76 and 108,981.95 is: 150,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,622.17 : 275,482.76 = 108,981.95 : x
  2. Step 2: Convert to fraction form
    199,622.17/275,482.76 = 108,981.95/x
  3. Step 3: Cross multiply
    199,622.17x = 275,482.76 × 108,981.95
  4. Step 4: Simplify right side
    199,622.17x = 30,022,648,376.18
  5. Step 5: Solve for x
    x = 30,022,648,376.18/199,622.17
  6. Step 6: Final answer
    x = 150,397.37

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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.