Home / 105,866.32-159,433.28-96,418.48

Finding the Fourth Proportional to 105,866.32, 159,433.28 and 96,418.48

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Solution

The fourth proportional to 105,866.32, 159,433.28 and 96,418.48 is: 145,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,866.32 : 159,433.28 = 96,418.48 : x
  2. Step 2: Convert to fraction form
    105,866.32/159,433.28 = 96,418.48/x
  3. Step 3: Cross multiply
    105,866.32x = 159,433.28 × 96,418.48
  4. Step 4: Simplify right side
    105,866.32x = 15,372,314,519.01
  5. Step 5: Solve for x
    x = 15,372,314,519.01/105,866.32
  6. Step 6: Final answer
    x = 145,204.96

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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.