Home / 106,352.78-159,552.24-31,478.19

Finding the Fourth Proportional to 106,352.78, 159,552.24 and 31,478.19

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Solution

The fourth proportional to 106,352.78, 159,552.24 and 31,478.19 is: 47,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,352.78 : 159,552.24 = 31,478.19 : x
  2. Step 2: Convert to fraction form
    106,352.78/159,552.24 = 31,478.19/x
  3. Step 3: Cross multiply
    106,352.78x = 159,552.24 × 31,478.19
  4. Step 4: Simplify right side
    106,352.78x = 5,022,416,072.00
  5. Step 5: Solve for x
    x = 5,022,416,072.00/106,352.78
  6. Step 6: Final answer
    x = 47,224.11

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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.