Home / 135,333.33-186,760.37-74,908.14

Finding the Fourth Proportional to 135,333.33, 186,760.37 and 74,908.14

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Solution

The fourth proportional to 135,333.33, 186,760.37 and 74,908.14 is: 103,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,333.33 : 186,760.37 = 74,908.14 : x
  2. Step 2: Convert to fraction form
    135,333.33/186,760.37 = 74,908.14/x
  3. Step 3: Cross multiply
    135,333.33x = 186,760.37 × 74,908.14
  4. Step 4: Simplify right side
    135,333.33x = 13,989,871,567.87
  5. Step 5: Solve for x
    x = 13,989,871,567.87/135,333.33
  6. Step 6: Final answer
    x = 103,373.44

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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.