Home / 197,411.14-272,426.59-106,767.21

Finding the Fourth Proportional to 197,411.14, 272,426.59 and 106,767.21

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Solution

The fourth proportional to 197,411.14, 272,426.59 and 106,767.21 is: 147,338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,411.14 : 272,426.59 = 106,767.21 : x
  2. Step 2: Convert to fraction form
    197,411.14/272,426.59 = 106,767.21/x
  3. Step 3: Cross multiply
    197,411.14x = 272,426.59 × 106,767.21
  4. Step 4: Simplify right side
    197,411.14x = 29,086,228,099.17
  5. Step 5: Solve for x
    x = 29,086,228,099.17/197,411.14
  6. Step 6: Final answer
    x = 147,338.33

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1.5x scale

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.