Home / 146,468.40-202,139-82,817.52

Finding the Fourth Proportional to 146,468.40, 202,139 and 82,817.52

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Solution

The fourth proportional to 146,468.40, 202,139 and 82,817.52 is: 114,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,468.40 : 202,139 = 82,817.52 : x
  2. Step 2: Convert to fraction form
    146,468.40/202,139 = 82,817.52/x
  3. Step 3: Cross multiply
    146,468.40x = 202,139 × 82,817.52
  4. Step 4: Simplify right side
    146,468.40x = 16,740,650,675.28
  5. Step 5: Solve for x
    x = 16,740,650,675.28/146,468.40
  6. Step 6: Final answer
    x = 114,295.31

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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.