Home / 106,601.36-147,107.66-61,278.17

Finding the Fourth Proportional to 106,601.36, 147,107.66 and 61,278.17

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Solution

The fourth proportional to 106,601.36, 147,107.66 and 61,278.17 is: 84,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,601.36 : 147,107.66 = 61,278.17 : x
  2. Step 2: Convert to fraction form
    106,601.36/147,107.66 = 61,278.17/x
  3. Step 3: Cross multiply
    106,601.36x = 147,107.66 × 61,278.17
  4. Step 4: Simplify right side
    106,601.36x = 9,014,487,155.85
  5. Step 5: Solve for x
    x = 9,014,487,155.85/106,601.36
  6. Step 6: Final answer
    x = 84,562.59

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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.