Home / 228,640.92-315,419.44-148,095.34

Finding the Fourth Proportional to 228,640.92, 315,419.44 and 148,095.34

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Solution

The fourth proportional to 228,640.92, 315,419.44 and 148,095.34 is: 204,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,640.92 : 315,419.44 = 148,095.34 : x
  2. Step 2: Convert to fraction form
    228,640.92/315,419.44 = 148,095.34/x
  3. Step 3: Cross multiply
    228,640.92x = 315,419.44 × 148,095.34
  4. Step 4: Simplify right side
    228,640.92x = 46,712,149,209.41
  5. Step 5: Solve for x
    x = 46,712,149,209.41/228,640.92
  6. Step 6: Final answer
    x = 204,303.54

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1.5x scale

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.