Home / 150,001.64-206,994.66-82,920.68

Finding the Fourth Proportional to 150,001.64, 206,994.66 and 82,920.68

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Solution

The fourth proportional to 150,001.64, 206,994.66 and 82,920.68 is: 114,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,001.64 : 206,994.66 = 82,920.68 : x
  2. Step 2: Convert to fraction form
    150,001.64/206,994.66 = 82,920.68/x
  3. Step 3: Cross multiply
    150,001.64x = 206,994.66 × 82,920.68
  4. Step 4: Simplify right side
    150,001.64x = 17,164,137,963.57
  5. Step 5: Solve for x
    x = 17,164,137,963.57/150,001.64
  6. Step 6: Final answer
    x = 114,426.34

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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.