Home / 106,147.24-159,240.30-43,783.72

Finding the Fourth Proportional to 106,147.24, 159,240.30 and 43,783.72

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Solution

The fourth proportional to 106,147.24, 159,240.30 and 43,783.72 is: 65,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,147.24 : 159,240.30 = 43,783.72 : x
  2. Step 2: Convert to fraction form
    106,147.24/159,240.30 = 43,783.72/x
  3. Step 3: Cross multiply
    106,147.24x = 159,240.30 × 43,783.72
  4. Step 4: Simplify right side
    106,147.24x = 6,972,132,707.92
  5. Step 5: Solve for x
    x = 6,972,132,707.92/106,147.24
  6. Step 6: Final answer
    x = 65,683.60

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1.5x scale

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.