Home / 238,945.68-329,692.14-138,285.36

Finding the Fourth Proportional to 238,945.68, 329,692.14 and 138,285.36

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Solution

The fourth proportional to 238,945.68, 329,692.14 and 138,285.36 is: 190,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,945.68 : 329,692.14 = 138,285.36 : x
  2. Step 2: Convert to fraction form
    238,945.68/329,692.14 = 138,285.36/x
  3. Step 3: Cross multiply
    238,945.68x = 329,692.14 × 138,285.36
  4. Step 4: Simplify right side
    238,945.68x = 45,591,596,269.07
  5. Step 5: Solve for x
    x = 45,591,596,269.07/238,945.68
  6. Step 6: Final answer
    x = 190,803.18

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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.