Home / 227,901.30-342,070.65-115,708.20

Finding the Fourth Proportional to 227,901.30, 342,070.65 and 115,708.20

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Solution

The fourth proportional to 227,901.30, 342,070.65 and 115,708.20 is: 173,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,901.30 : 342,070.65 = 115,708.20 : x
  2. Step 2: Convert to fraction form
    227,901.30/342,070.65 = 115,708.20/x
  3. Step 3: Cross multiply
    227,901.30x = 342,070.65 × 115,708.20
  4. Step 4: Simplify right side
    227,901.30x = 39,580,379,184.33
  5. Step 5: Solve for x
    x = 39,580,379,184.33/227,901.30
  6. Step 6: Final answer
    x = 173,673.34

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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.