Home / 106,610.43-147,122.70-58,212.45

Finding the Fourth Proportional to 106,610.43, 147,122.70 and 58,212.45

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Solution

The fourth proportional to 106,610.43, 147,122.70 and 58,212.45 is: 80,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,610.43 : 147,122.70 = 58,212.45 : x
  2. Step 2: Convert to fraction form
    106,610.43/147,122.70 = 58,212.45/x
  3. Step 3: Cross multiply
    106,610.43x = 147,122.70 × 58,212.45
  4. Step 4: Simplify right side
    106,610.43x = 8,564,372,817.62
  5. Step 5: Solve for x
    x = 8,564,372,817.62/106,610.43
  6. Step 6: Final answer
    x = 80,333.35

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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.