Home / 106,237.43-159,340.34-39,669.20

Finding the Fourth Proportional to 106,237.43, 159,340.34 and 39,669.20

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Solution

The fourth proportional to 106,237.43, 159,340.34 and 39,669.20 is: 59,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,237.43 : 159,340.34 = 39,669.20 : x
  2. Step 2: Convert to fraction form
    106,237.43/159,340.34 = 39,669.20/x
  3. Step 3: Cross multiply
    106,237.43x = 159,340.34 × 39,669.20
  4. Step 4: Simplify right side
    106,237.43x = 6,320,903,118.00
  5. Step 5: Solve for x
    x = 6,320,903,118.00/106,237.43
  6. Step 6: Final answer
    x = 59,497.89

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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.