Home / 226,614.02-312,734.94-124,643.78

Finding the Fourth Proportional to 226,614.02, 312,734.94 and 124,643.78

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Solution

The fourth proportional to 226,614.02, 312,734.94 and 124,643.78 is: 172,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,614.02 : 312,734.94 = 124,643.78 : x
  2. Step 2: Convert to fraction form
    226,614.02/312,734.94 = 124,643.78/x
  3. Step 3: Cross multiply
    226,614.02x = 312,734.94 × 124,643.78
  4. Step 4: Simplify right side
    226,614.02x = 38,980,465,059.67
  5. Step 5: Solve for x
    x = 38,980,465,059.67/226,614.02
  6. Step 6: Final answer
    x = 172,012.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.