Home / 234,332.97-323,379-126,902.67

Finding the Fourth Proportional to 234,332.97, 323,379 and 126,902.67

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Solution

The fourth proportional to 234,332.97, 323,379 and 126,902.67 is: 175,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,332.97 : 323,379 = 126,902.67 : x
  2. Step 2: Convert to fraction form
    234,332.97/323,379 = 126,902.67/x
  3. Step 3: Cross multiply
    234,332.97x = 323,379 × 126,902.67
  4. Step 4: Simplify right side
    234,332.97x = 41,037,657,309.26
  5. Step 5: Solve for x
    x = 41,037,657,309.26/234,332.97
  6. Step 6: Final answer
    x = 175,125.41

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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.