Home / 106,103.70-146,374.02-63,588.42

Finding the Fourth Proportional to 106,103.70, 146,374.02 and 63,588.42

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Solution

The fourth proportional to 106,103.70, 146,374.02 and 63,588.42 is: 87,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,103.70 : 146,374.02 = 63,588.42 : x
  2. Step 2: Convert to fraction form
    106,103.70/146,374.02 = 63,588.42/x
  3. Step 3: Cross multiply
    106,103.70x = 146,374.02 × 63,588.42
  4. Step 4: Simplify right side
    106,103.70x = 9,307,692,660.85
  5. Step 5: Solve for x
    x = 9,307,692,660.85/106,103.70
  6. Step 6: Final answer
    x = 87,722.60

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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.