Home / 189,207.16-283,839.92-64,519

Finding the Fourth Proportional to 189,207.16, 283,839.92 and 64,519

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Solution

The fourth proportional to 189,207.16, 283,839.92 and 64,519 is: 96,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,207.16 : 283,839.92 = 64,519 : x
  2. Step 2: Convert to fraction form
    189,207.16/283,839.92 = 64,519/x
  3. Step 3: Cross multiply
    189,207.16x = 283,839.92 × 64,519
  4. Step 4: Simplify right side
    189,207.16x = 18,313,067,798.48
  5. Step 5: Solve for x
    x = 18,313,067,798.48/189,207.16
  6. Step 6: Final answer
    x = 96,788.45

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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.