Home / 228,218.74-314,932.58-124,851.24

Finding the Fourth Proportional to 228,218.74, 314,932.58 and 124,851.24

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Solution

The fourth proportional to 228,218.74, 314,932.58 and 124,851.24 is: 172,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,218.74 : 314,932.58 = 124,851.24 : x
  2. Step 2: Convert to fraction form
    228,218.74/314,932.58 = 124,851.24/x
  3. Step 3: Cross multiply
    228,218.74x = 314,932.58 × 124,851.24
  4. Step 4: Simplify right side
    228,218.74x = 39,319,723,129.40
  5. Step 5: Solve for x
    x = 39,319,723,129.40/228,218.74
  6. Step 6: Final answer
    x = 172,289.63

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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.