Home / 147,251.48-203,201.66-89,986.66

Finding the Fourth Proportional to 147,251.48, 203,201.66 and 89,986.66

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Solution

The fourth proportional to 147,251.48, 203,201.66 and 89,986.66 is: 124,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,251.48 : 203,201.66 = 89,986.66 : x
  2. Step 2: Convert to fraction form
    147,251.48/203,201.66 = 89,986.66/x
  3. Step 3: Cross multiply
    147,251.48x = 203,201.66 × 89,986.66
  4. Step 4: Simplify right side
    147,251.48x = 18,285,438,406.82
  5. Step 5: Solve for x
    x = 18,285,438,406.82/147,251.48
  6. Step 6: Final answer
    x = 124,178.30

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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.