Home / 228,207.36-314,901.92-126,216.61

Finding the Fourth Proportional to 228,207.36, 314,901.92 and 126,216.61

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Solution

The fourth proportional to 228,207.36, 314,901.92 and 126,216.61 is: 174,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,207.36 : 314,901.92 = 126,216.61 : x
  2. Step 2: Convert to fraction form
    228,207.36/314,901.92 = 126,216.61/x
  3. Step 3: Cross multiply
    228,207.36x = 314,901.92 × 126,216.61
  4. Step 4: Simplify right side
    228,207.36x = 39,745,852,824.89
  5. Step 5: Solve for x
    x = 39,745,852,824.89/228,207.36
  6. Step 6: Final answer
    x = 174,165.52

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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.