Home / 227,400.12-341,142.30-77,632.20

Finding the Fourth Proportional to 227,400.12, 341,142.30 and 77,632.20

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Solution

The fourth proportional to 227,400.12, 341,142.30 and 77,632.20 is: 116,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,400.12 : 341,142.30 = 77,632.20 : x
  2. Step 2: Convert to fraction form
    227,400.12/341,142.30 = 77,632.20/x
  3. Step 3: Cross multiply
    227,400.12x = 341,142.30 × 77,632.20
  4. Step 4: Simplify right side
    227,400.12x = 26,483,627,262.06
  5. Step 5: Solve for x
    x = 26,483,627,262.06/227,400.12
  6. Step 6: Final answer
    x = 116,462.68

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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.