Home / 228,737.07-315,648.04-126,766.89

Finding the Fourth Proportional to 228,737.07, 315,648.04 and 126,766.89

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Solution

The fourth proportional to 228,737.07, 315,648.04 and 126,766.89 is: 174,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,737.07 : 315,648.04 = 126,766.89 : x
  2. Step 2: Convert to fraction form
    228,737.07/315,648.04 = 126,766.89/x
  3. Step 3: Cross multiply
    228,737.07x = 315,648.04 × 126,766.89
  4. Step 4: Simplify right side
    228,737.07x = 40,013,720,365.40
  5. Step 5: Solve for x
    x = 40,013,720,365.40/228,737.07
  6. Step 6: Final answer
    x = 174,933.26

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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.