Home / 106,220.77-159,294.03-31,321.03

Finding the Fourth Proportional to 106,220.77, 159,294.03 and 31,321.03

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Solution

The fourth proportional to 106,220.77, 159,294.03 and 31,321.03 is: 46,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,220.77 : 159,294.03 = 31,321.03 : x
  2. Step 2: Convert to fraction form
    106,220.77/159,294.03 = 31,321.03/x
  3. Step 3: Cross multiply
    106,220.77x = 159,294.03 × 31,321.03
  4. Step 4: Simplify right side
    106,220.77x = 4,989,253,092.45
  5. Step 5: Solve for x
    x = 4,989,253,092.45/106,220.77
  6. Step 6: Final answer
    x = 46,970.60

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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.