Home / 146,320.22-201,920.64-79,252.22

Finding the Fourth Proportional to 146,320.22, 201,920.64 and 79,252.22

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Solution

The fourth proportional to 146,320.22, 201,920.64 and 79,252.22 is: 109,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,320.22 : 201,920.64 = 79,252.22 : x
  2. Step 2: Convert to fraction form
    146,320.22/201,920.64 = 79,252.22/x
  3. Step 3: Cross multiply
    146,320.22x = 201,920.64 × 79,252.22
  4. Step 4: Simplify right side
    146,320.22x = 16,002,658,983.82
  5. Step 5: Solve for x
    x = 16,002,658,983.82/146,320.22
  6. Step 6: Final answer
    x = 109,367.38

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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.