Home / 322,748.30-445,210.86-193,653.38

Finding the Fourth Proportional to 322,748.30, 445,210.86 and 193,653.38

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Solution

The fourth proportional to 322,748.30, 445,210.86 and 193,653.38 is: 267,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,748.30 : 445,210.86 = 193,653.38 : x
  2. Step 2: Convert to fraction form
    322,748.30/445,210.86 = 193,653.38/x
  3. Step 3: Cross multiply
    322,748.30x = 445,210.86 × 193,653.38
  4. Step 4: Simplify right side
    322,748.30x = 86,216,587,851.71
  5. Step 5: Solve for x
    x = 86,216,587,851.71/322,748.30
  6. Step 6: Final answer
    x = 267,132.59

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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.