Home / 106,126.74-146,451.78-58,380.06

Finding the Fourth Proportional to 106,126.74, 146,451.78 and 58,380.06

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Solution

The fourth proportional to 106,126.74, 146,451.78 and 58,380.06 is: 80,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,126.74 : 146,451.78 = 58,380.06 : x
  2. Step 2: Convert to fraction form
    106,126.74/146,451.78 = 58,380.06/x
  3. Step 3: Cross multiply
    106,126.74x = 146,451.78 × 58,380.06
  4. Step 4: Simplify right side
    106,126.74x = 8,549,863,703.51
  5. Step 5: Solve for x
    x = 8,549,863,703.51/106,126.74
  6. Step 6: Final answer
    x = 80,562.77

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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.