Home / 228,332.43-315,092.30-126,362.12

Finding the Fourth Proportional to 228,332.43, 315,092.30 and 126,362.12

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Solution

The fourth proportional to 228,332.43, 315,092.30 and 126,362.12 is: 174,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,332.43 : 315,092.30 = 126,362.12 : x
  2. Step 2: Convert to fraction form
    228,332.43/315,092.30 = 126,362.12/x
  3. Step 3: Cross multiply
    228,332.43x = 315,092.30 × 126,362.12
  4. Step 4: Simplify right side
    228,332.43x = 39,815,728,816.40
  5. Step 5: Solve for x
    x = 39,815,728,816.40/228,332.43
  6. Step 6: Final answer
    x = 174,376.14

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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.