Home / 126,327.84-174,331.34-69,738

Finding the Fourth Proportional to 126,327.84, 174,331.34 and 69,738

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Solution

The fourth proportional to 126,327.84, 174,331.34 and 69,738 is: 96,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,327.84 : 174,331.34 = 69,738 : x
  2. Step 2: Convert to fraction form
    126,327.84/174,331.34 = 69,738/x
  3. Step 3: Cross multiply
    126,327.84x = 174,331.34 × 69,738
  4. Step 4: Simplify right side
    126,327.84x = 12,157,518,988.92
  5. Step 5: Solve for x
    x = 12,157,518,988.92/126,327.84
  6. Step 6: Final answer
    x = 96,237.84

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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.