Home / 119,310.25-164,512.87-76,232.83

Finding the Fourth Proportional to 119,310.25, 164,512.87 and 76,232.83

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Solution

The fourth proportional to 119,310.25, 164,512.87 and 76,232.83 is: 105,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,310.25 : 164,512.87 = 76,232.83 : x
  2. Step 2: Convert to fraction form
    119,310.25/164,512.87 = 76,232.83/x
  3. Step 3: Cross multiply
    119,310.25x = 164,512.87 × 76,232.83
  4. Step 4: Simplify right side
    119,310.25x = 12,541,281,651.52
  5. Step 5: Solve for x
    x = 12,541,281,651.52/119,310.25
  6. Step 6: Final answer
    x = 105,114.87

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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.