Home / 234,561.25-323,692.68-127,128.52

Finding the Fourth Proportional to 234,561.25, 323,692.68 and 127,128.52

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Solution

The fourth proportional to 234,561.25, 323,692.68 and 127,128.52 is: 175,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,561.25 : 323,692.68 = 127,128.52 : x
  2. Step 2: Convert to fraction form
    234,561.25/323,692.68 = 127,128.52/x
  3. Step 3: Cross multiply
    234,561.25x = 323,692.68 × 127,128.52
  4. Step 4: Simplify right side
    234,561.25x = 41,150,571,343.23
  5. Step 5: Solve for x
    x = 41,150,571,343.23/234,561.25
  6. Step 6: Final answer
    x = 175,436.36

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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.