Home / 143,444.44-197,963.22-79,788.16

Finding the Fourth Proportional to 143,444.44, 197,963.22 and 79,788.16

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Solution

The fourth proportional to 143,444.44, 197,963.22 and 79,788.16 is: 110,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,444.44 : 197,963.22 = 79,788.16 : x
  2. Step 2: Convert to fraction form
    143,444.44/197,963.22 = 79,788.16/x
  3. Step 3: Cross multiply
    143,444.44x = 197,963.22 × 79,788.16
  4. Step 4: Simplify right side
    143,444.44x = 15,795,121,071.48
  5. Step 5: Solve for x
    x = 15,795,121,071.48/143,444.44
  6. Step 6: Final answer
    x = 110,113.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.