Home / 228,923.39-315,875.77-152,556.49

Finding the Fourth Proportional to 228,923.39, 315,875.77 and 152,556.49

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Solution

The fourth proportional to 228,923.39, 315,875.77 and 152,556.49 is: 210,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,923.39 : 315,875.77 = 152,556.49 : x
  2. Step 2: Convert to fraction form
    228,923.39/315,875.77 = 152,556.49/x
  3. Step 3: Cross multiply
    228,923.39x = 315,875.77 × 152,556.49
  4. Step 4: Simplify right side
    228,923.39x = 48,188,898,760.70
  5. Step 5: Solve for x
    x = 48,188,898,760.70/228,923.39
  6. Step 6: Final answer
    x = 210,502.29

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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.