Home / 192,483.28-288,774.12-80,126.14

Finding the Fourth Proportional to 192,483.28, 288,774.12 and 80,126.14

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Solution

The fourth proportional to 192,483.28, 288,774.12 and 80,126.14 is: 120,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,483.28 : 288,774.12 = 80,126.14 : x
  2. Step 2: Convert to fraction form
    192,483.28/288,774.12 = 80,126.14/x
  3. Step 3: Cross multiply
    192,483.28x = 288,774.12 × 80,126.14
  4. Step 4: Simplify right side
    192,483.28x = 23,138,355,567.50
  5. Step 5: Solve for x
    x = 23,138,355,567.50/192,483.28
  6. Step 6: Final answer
    x = 120,209.69

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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.