Home / 234,135.48-323,107.77-126,705.49

Finding the Fourth Proportional to 234,135.48, 323,107.77 and 126,705.49

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Solution

The fourth proportional to 234,135.48, 323,107.77 and 126,705.49 is: 174,854.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,135.48 : 323,107.77 = 126,705.49 : x
  2. Step 2: Convert to fraction form
    234,135.48/323,107.77 = 126,705.49/x
  3. Step 3: Cross multiply
    234,135.48x = 323,107.77 × 126,705.49
  4. Step 4: Simplify right side
    234,135.48x = 40,939,527,512.89
  5. Step 5: Solve for x
    x = 40,939,527,512.89/234,135.48
  6. Step 6: Final answer
    x = 174,854.01

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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.