Home / 105,844.32-159,400.08-96,396.48

Finding the Fourth Proportional to 105,844.32, 159,400.08 and 96,396.48

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Solution

The fourth proportional to 105,844.32, 159,400.08 and 96,396.48 is: 145,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,844.32 : 159,400.08 = 96,396.48 : x
  2. Step 2: Convert to fraction form
    105,844.32/159,400.08 = 96,396.48/x
  3. Step 3: Cross multiply
    105,844.32x = 159,400.08 × 96,396.48
  4. Step 4: Simplify right side
    105,844.32x = 15,365,606,623.72
  5. Step 5: Solve for x
    x = 15,365,606,623.72/105,844.32
  6. Step 6: Final answer
    x = 145,171.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.