Home / 234,305.45-323,343.06-126,875.49

Finding the Fourth Proportional to 234,305.45, 323,343.06 and 126,875.49

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Solution

The fourth proportional to 234,305.45, 323,343.06 and 126,875.49 is: 175,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,305.45 : 323,343.06 = 126,875.49 : x
  2. Step 2: Convert to fraction form
    234,305.45/323,343.06 = 126,875.49/x
  3. Step 3: Cross multiply
    234,305.45x = 323,343.06 × 126,875.49
  4. Step 4: Simplify right side
    234,305.45x = 41,024,309,175.60
  5. Step 5: Solve for x
    x = 41,024,309,175.60/234,305.45
  6. Step 6: Final answer
    x = 175,089.01

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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.