Home / 197,363.85-272,361.93-106,719.61

Finding the Fourth Proportional to 197,363.85, 272,361.93 and 106,719.61

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Solution

The fourth proportional to 197,363.85, 272,361.93 and 106,719.61 is: 147,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,363.85 : 272,361.93 = 106,719.61 : x
  2. Step 2: Convert to fraction form
    197,363.85/272,361.93 = 106,719.61/x
  3. Step 3: Cross multiply
    197,363.85x = 272,361.93 × 106,719.61
  4. Step 4: Simplify right side
    197,363.85x = 29,066,357,053.04
  5. Step 5: Solve for x
    x = 29,066,357,053.04/197,363.85
  6. Step 6: Final answer
    x = 147,272.95

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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.