Home / 228,327.34-315,083.98-126,357.10

Finding the Fourth Proportional to 228,327.34, 315,083.98 and 126,357.10

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Solution

The fourth proportional to 228,327.34, 315,083.98 and 126,357.10 is: 174,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,327.34 : 315,083.98 = 126,357.10 : x
  2. Step 2: Convert to fraction form
    228,327.34/315,083.98 = 126,357.10/x
  3. Step 3: Cross multiply
    228,327.34x = 315,083.98 × 126,357.10
  4. Step 4: Simplify right side
    228,327.34x = 39,813,098,757.60
  5. Step 5: Solve for x
    x = 39,813,098,757.60/228,327.34
  6. Step 6: Final answer
    x = 174,368.51

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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.