Home / 76,192.18-114,287.04-20,788.18

Finding the Fourth Proportional to 76,192.18, 114,287.04 and 20,788.18

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Solution

The fourth proportional to 76,192.18, 114,287.04 and 20,788.18 is: 31,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,192.18 : 114,287.04 = 20,788.18 : x
  2. Step 2: Convert to fraction form
    76,192.18/114,287.04 = 20,788.18/x
  3. Step 3: Cross multiply
    76,192.18x = 114,287.04 × 20,788.18
  4. Step 4: Simplify right side
    76,192.18x = 2,375,819,559.19
  5. Step 5: Solve for x
    x = 2,375,819,559.19/76,192.18
  6. Step 6: Final answer
    x = 31,181.93

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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.