Home / 106,166.12-159,347.64-53,612.48

Finding the Fourth Proportional to 106,166.12, 159,347.64 and 53,612.48

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Solution

The fourth proportional to 106,166.12, 159,347.64 and 53,612.48 is: 80,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,166.12 : 159,347.64 = 53,612.48 : x
  2. Step 2: Convert to fraction form
    106,166.12/159,347.64 = 53,612.48/x
  3. Step 3: Cross multiply
    106,166.12x = 159,347.64 × 53,612.48
  4. Step 4: Simplify right side
    106,166.12x = 8,543,022,162.55
  5. Step 5: Solve for x
    x = 8,543,022,162.55/106,166.12
  6. Step 6: Final answer
    x = 80,468.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.