Home / 229,070.28-343,521.18-79,272.12

Finding the Fourth Proportional to 229,070.28, 343,521.18 and 79,272.12

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Solution

The fourth proportional to 229,070.28, 343,521.18 and 79,272.12 is: 118,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,070.28 : 343,521.18 = 79,272.12 : x
  2. Step 2: Convert to fraction form
    229,070.28/343,521.18 = 79,272.12/x
  3. Step 3: Cross multiply
    229,070.28x = 343,521.18 × 79,272.12
  4. Step 4: Simplify right side
    229,070.28x = 27,231,652,203.50
  5. Step 5: Solve for x
    x = 27,231,652,203.50/229,070.28
  6. Step 6: Final answer
    x = 118,879.03

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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.