Home / 155,589.56-214,725.84-143,527.04

Finding the Fourth Proportional to 155,589.56, 214,725.84 and 143,527.04

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Solution

The fourth proportional to 155,589.56, 214,725.84 and 143,527.04 is: 198,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,589.56 : 214,725.84 = 143,527.04 : x
  2. Step 2: Convert to fraction form
    155,589.56/214,725.84 = 143,527.04/x
  3. Step 3: Cross multiply
    155,589.56x = 214,725.84 × 143,527.04
  4. Step 4: Simplify right side
    155,589.56x = 30,818,964,226.71
  5. Step 5: Solve for x
    x = 30,818,964,226.71/155,589.56
  6. Step 6: Final answer
    x = 198,078.61

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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.