Home / 214,979.75-322,599.23-74,836.79

Finding the Fourth Proportional to 214,979.75, 322,599.23 and 74,836.79

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Solution

The fourth proportional to 214,979.75, 322,599.23 and 74,836.79 is: 112,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,979.75 : 322,599.23 = 74,836.79 : x
  2. Step 2: Convert to fraction form
    214,979.75/322,599.23 = 74,836.79/x
  3. Step 3: Cross multiply
    214,979.75x = 322,599.23 × 74,836.79
  4. Step 4: Simplify right side
    214,979.75x = 24,142,290,829.67
  5. Step 5: Solve for x
    x = 24,142,290,829.67/214,979.75
  6. Step 6: Final answer
    x = 112,300.30

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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.