Home / 234,130.75-323,100.43-126,700.77

Finding the Fourth Proportional to 234,130.75, 323,100.43 and 126,700.77

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Solution

The fourth proportional to 234,130.75, 323,100.43 and 126,700.77 is: 174,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,130.75 : 323,100.43 = 126,700.77 : x
  2. Step 2: Convert to fraction form
    234,130.75/323,100.43 = 126,700.77/x
  3. Step 3: Cross multiply
    234,130.75x = 323,100.43 × 126,700.77
  4. Step 4: Simplify right side
    234,130.75x = 40,937,072,951.58
  5. Step 5: Solve for x
    x = 40,937,072,951.58/234,130.75
  6. Step 6: Final answer
    x = 174,847.06

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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.