Home / 106,833.60-160,120.80-47,606.40

Finding the Fourth Proportional to 106,833.60, 160,120.80 and 47,606.40

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Solution

The fourth proportional to 106,833.60, 160,120.80 and 47,606.40 is: 71,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,833.60 : 160,120.80 = 47,606.40 : x
  2. Step 2: Convert to fraction form
    106,833.60/160,120.80 = 47,606.40/x
  3. Step 3: Cross multiply
    106,833.60x = 160,120.80 × 47,606.40
  4. Step 4: Simplify right side
    106,833.60x = 7,622,774,853.12
  5. Step 5: Solve for x
    x = 7,622,774,853.12/106,833.60
  6. Step 6: Final answer
    x = 71,351.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.