Home / 112,174.97-154,801.94-61,188.81

Finding the Fourth Proportional to 112,174.97, 154,801.94 and 61,188.81

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Solution

The fourth proportional to 112,174.97, 154,801.94 and 61,188.81 is: 84,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,174.97 : 154,801.94 = 61,188.81 : x
  2. Step 2: Convert to fraction form
    112,174.97/154,801.94 = 61,188.81/x
  3. Step 3: Cross multiply
    112,174.97x = 154,801.94 × 61,188.81
  4. Step 4: Simplify right side
    112,174.97x = 9,472,145,414.34
  5. Step 5: Solve for x
    x = 9,472,145,414.34/112,174.97
  6. Step 6: Final answer
    x = 84,440.81

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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.