Home / 228,572.46-315,423-126,593.85

Finding the Fourth Proportional to 228,572.46, 315,423 and 126,593.85

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Solution

The fourth proportional to 228,572.46, 315,423 and 126,593.85 is: 174,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,572.46 : 315,423 = 126,593.85 : x
  2. Step 2: Convert to fraction form
    228,572.46/315,423 = 126,593.85/x
  3. Step 3: Cross multiply
    228,572.46x = 315,423 × 126,593.85
  4. Step 4: Simplify right side
    228,572.46x = 39,930,611,948.55
  5. Step 5: Solve for x
    x = 39,930,611,948.55/228,572.46
  6. Step 6: Final answer
    x = 174,695.64

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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.