Home / 106,142.91-146,479.49-58,396.39

Finding the Fourth Proportional to 106,142.91, 146,479.49 and 58,396.39

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Solution

The fourth proportional to 106,142.91, 146,479.49 and 58,396.39 is: 80,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,142.91 : 146,479.49 = 58,396.39 : x
  2. Step 2: Convert to fraction form
    106,142.91/146,479.49 = 58,396.39/x
  3. Step 3: Cross multiply
    106,142.91x = 146,479.49 × 58,396.39
  4. Step 4: Simplify right side
    106,142.91x = 8,553,873,809.79
  5. Step 5: Solve for x
    x = 8,553,873,809.79/106,142.91
  6. Step 6: Final answer
    x = 80,588.28

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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.