Home / 147,164.28-203,087.14-83,501.94

Finding the Fourth Proportional to 147,164.28, 203,087.14 and 83,501.94

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Solution

The fourth proportional to 147,164.28, 203,087.14 and 83,501.94 is: 115,232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,164.28 : 203,087.14 = 83,501.94 : x
  2. Step 2: Convert to fraction form
    147,164.28/203,087.14 = 83,501.94/x
  3. Step 3: Cross multiply
    147,164.28x = 203,087.14 × 83,501.94
  4. Step 4: Simplify right side
    147,164.28x = 16,958,170,179.05
  5. Step 5: Solve for x
    x = 16,958,170,179.05/147,164.28
  6. Step 6: Final answer
    x = 115,232.92

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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.