Home / 135,327.33-186,752.07-74,902.14

Finding the Fourth Proportional to 135,327.33, 186,752.07 and 74,902.14

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Solution

The fourth proportional to 135,327.33, 186,752.07 and 74,902.14 is: 103,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,327.33 : 186,752.07 = 74,902.14 : x
  2. Step 2: Convert to fraction form
    135,327.33/186,752.07 = 74,902.14/x
  3. Step 3: Cross multiply
    135,327.33x = 186,752.07 × 74,902.14
  4. Step 4: Simplify right side
    135,327.33x = 13,988,129,692.43
  5. Step 5: Solve for x
    x = 13,988,129,692.43/135,327.33
  6. Step 6: Final answer
    x = 103,365.15

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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.