Home / 342,621.44-513,932.12-105,966.16

Finding the Fourth Proportional to 342,621.44, 513,932.12 and 105,966.16

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Solution

The fourth proportional to 342,621.44, 513,932.12 and 105,966.16 is: 158,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,621.44 : 513,932.12 = 105,966.16 : x
  2. Step 2: Convert to fraction form
    342,621.44/513,932.12 = 105,966.16/x
  3. Step 3: Cross multiply
    342,621.44x = 513,932.12 × 105,966.16
  4. Step 4: Simplify right side
    342,621.44x = 54,459,413,257.06
  5. Step 5: Solve for x
    x = 54,459,413,257.06/342,621.44
  6. Step 6: Final answer
    x = 158,949.23

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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.