Home / 106,512.40-146,994.24-61,205.05

Finding the Fourth Proportional to 106,512.40, 146,994.24 and 61,205.05

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Solution

The fourth proportional to 106,512.40, 146,994.24 and 61,205.05 is: 84,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,512.40 : 146,994.24 = 61,205.05 : x
  2. Step 2: Convert to fraction form
    106,512.40/146,994.24 = 61,205.05/x
  3. Step 3: Cross multiply
    106,512.40x = 146,994.24 × 61,205.05
  4. Step 4: Simplify right side
    106,512.40x = 8,996,789,808.91
  5. Step 5: Solve for x
    x = 8,996,789,808.91/106,512.40
  6. Step 6: Final answer
    x = 84,467.06

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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.