Home / 228,277.57-315,032.33-126,301.38

Finding the Fourth Proportional to 228,277.57, 315,032.33 and 126,301.38

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Solution

The fourth proportional to 228,277.57, 315,032.33 and 126,301.38 is: 174,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,277.57 : 315,032.33 = 126,301.38 : x
  2. Step 2: Convert to fraction form
    228,277.57/315,032.33 = 126,301.38/x
  3. Step 3: Cross multiply
    228,277.57x = 315,032.33 × 126,301.38
  4. Step 4: Simplify right side
    228,277.57x = 39,789,016,269.94
  5. Step 5: Solve for x
    x = 39,789,016,269.94/228,277.57
  6. Step 6: Final answer
    x = 174,301.04

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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.