Home / 226,459.72-312,518.29-124,489.47

Finding the Fourth Proportional to 226,459.72, 312,518.29 and 124,489.47

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Solution

The fourth proportional to 226,459.72, 312,518.29 and 124,489.47 is: 171,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,459.72 : 312,518.29 = 124,489.47 : x
  2. Step 2: Convert to fraction form
    226,459.72/312,518.29 = 124,489.47/x
  3. Step 3: Cross multiply
    226,459.72x = 312,518.29 × 124,489.47
  4. Step 4: Simplify right side
    226,459.72x = 38,905,236,287.41
  5. Step 5: Solve for x
    x = 38,905,236,287.41/226,459.72
  6. Step 6: Final answer
    x = 171,797.60

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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.