Home / 227,995.20-341,999.71-78,233.36

Finding the Fourth Proportional to 227,995.20, 341,999.71 and 78,233.36

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Solution

The fourth proportional to 227,995.20, 341,999.71 and 78,233.36 is: 117,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,995.20 : 341,999.71 = 78,233.36 : x
  2. Step 2: Convert to fraction form
    227,995.20/341,999.71 = 78,233.36/x
  3. Step 3: Cross multiply
    227,995.20x = 341,999.71 × 78,233.36
  4. Step 4: Simplify right side
    227,995.20x = 26,755,784,526.74
  5. Step 5: Solve for x
    x = 26,755,784,526.74/227,995.20
  6. Step 6: Final answer
    x = 117,352.40

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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.