Home / 228,332.42-315,090.96-126,362.18

Finding the Fourth Proportional to 228,332.42, 315,090.96 and 126,362.18

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Solution

The fourth proportional to 228,332.42, 315,090.96 and 126,362.18 is: 174,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,332.42 : 315,090.96 = 126,362.18 : x
  2. Step 2: Convert to fraction form
    228,332.42/315,090.96 = 126,362.18/x
  3. Step 3: Cross multiply
    228,332.42x = 315,090.96 × 126,362.18
  4. Step 4: Simplify right side
    228,332.42x = 39,815,579,856.16
  5. Step 5: Solve for x
    x = 39,815,579,856.16/228,332.42
  6. Step 6: Final answer
    x = 174,375.50

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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.