Home / 151,261.56-208,732.83-83,265.30

Finding the Fourth Proportional to 151,261.56, 208,732.83 and 83,265.30

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Solution

The fourth proportional to 151,261.56, 208,732.83 and 83,265.30 is: 114,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,261.56 : 208,732.83 = 83,265.30 : x
  2. Step 2: Convert to fraction form
    151,261.56/208,732.83 = 83,265.30/x
  3. Step 3: Cross multiply
    151,261.56x = 208,732.83 × 83,265.30
  4. Step 4: Simplify right side
    151,261.56x = 17,380,201,709.80
  5. Step 5: Solve for x
    x = 17,380,201,709.80/151,261.56
  6. Step 6: Final answer
    x = 114,901.64

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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.