Home / 106,319.44-159,493.74-31,445.47

Finding the Fourth Proportional to 106,319.44, 159,493.74 and 31,445.47

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Solution

The fourth proportional to 106,319.44, 159,493.74 and 31,445.47 is: 47,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,319.44 : 159,493.74 = 31,445.47 : x
  2. Step 2: Convert to fraction form
    106,319.44/159,493.74 = 31,445.47/x
  3. Step 3: Cross multiply
    106,319.44x = 159,493.74 × 31,445.47
  4. Step 4: Simplify right side
    106,319.44x = 5,015,355,616.36
  5. Step 5: Solve for x
    x = 5,015,355,616.36/106,319.44
  6. Step 6: Final answer
    x = 47,172.52

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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.