Home / 295,022.16-442,521.85-84,660.10

Finding the Fourth Proportional to 295,022.16, 442,521.85 and 84,660.10

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Solution

The fourth proportional to 295,022.16, 442,521.85 and 84,660.10 is: 126,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,022.16 : 442,521.85 = 84,660.10 : x
  2. Step 2: Convert to fraction form
    295,022.16/442,521.85 = 84,660.10/x
  3. Step 3: Cross multiply
    295,022.16x = 442,521.85 × 84,660.10
  4. Step 4: Simplify right side
    295,022.16x = 37,463,944,073.19
  5. Step 5: Solve for x
    x = 37,463,944,073.19/295,022.16
  6. Step 6: Final answer
    x = 126,986.88

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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.