Home / 227,711.20-341,566.80-69,939.40

Finding the Fourth Proportional to 227,711.20, 341,566.80 and 69,939.40

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Solution

The fourth proportional to 227,711.20, 341,566.80 and 69,939.40 is: 104,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,711.20 : 341,566.80 = 69,939.40 : x
  2. Step 2: Convert to fraction form
    227,711.20/341,566.80 = 69,939.40/x
  3. Step 3: Cross multiply
    227,711.20x = 341,566.80 × 69,939.40
  4. Step 4: Simplify right side
    227,711.20x = 23,888,977,051.92
  5. Step 5: Solve for x
    x = 23,888,977,051.92/227,711.20
  6. Step 6: Final answer
    x = 104,909.10

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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.