Home / 147,189.05-203,109.31-83,526.85

Finding the Fourth Proportional to 147,189.05, 203,109.31 and 83,526.85

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Solution

The fourth proportional to 147,189.05, 203,109.31 and 83,526.85 is: 115,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,189.05 : 203,109.31 = 83,526.85 : x
  2. Step 2: Convert to fraction form
    147,189.05/203,109.31 = 83,526.85/x
  3. Step 3: Cross multiply
    147,189.05x = 203,109.31 × 83,526.85
  4. Step 4: Simplify right side
    147,189.05x = 16,965,079,436.79
  5. Step 5: Solve for x
    x = 16,965,079,436.79/147,189.05
  6. Step 6: Final answer
    x = 115,260.47

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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.