Home / 105,449.93-158,170.28-30,568.44

Finding the Fourth Proportional to 105,449.93, 158,170.28 and 30,568.44

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Solution

The fourth proportional to 105,449.93, 158,170.28 and 30,568.44 is: 45,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,449.93 : 158,170.28 = 30,568.44 : x
  2. Step 2: Convert to fraction form
    105,449.93/158,170.28 = 30,568.44/x
  3. Step 3: Cross multiply
    105,449.93x = 158,170.28 × 30,568.44
  4. Step 4: Simplify right side
    105,449.93x = 4,835,018,561.12
  5. Step 5: Solve for x
    x = 4,835,018,561.12/105,449.93
  6. Step 6: Final answer
    x = 45,851.32

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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.