Home / 110,225.74-165,286.76-76,983.34

Finding the Fourth Proportional to 110,225.74, 165,286.76 and 76,983.34

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Solution

The fourth proportional to 110,225.74, 165,286.76 and 76,983.34 is: 115,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,225.74 : 165,286.76 = 76,983.34 : x
  2. Step 2: Convert to fraction form
    110,225.74/165,286.76 = 76,983.34/x
  3. Step 3: Cross multiply
    110,225.74x = 165,286.76 × 76,983.34
  4. Step 4: Simplify right side
    110,225.74x = 12,724,326,842.58
  5. Step 5: Solve for x
    x = 12,724,326,842.58/110,225.74
  6. Step 6: Final answer
    x = 115,438.80

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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.