Home / 147,251.77-203,202.04-89,986.92

Finding the Fourth Proportional to 147,251.77, 203,202.04 and 89,986.92

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Solution

The fourth proportional to 147,251.77, 203,202.04 and 89,986.92 is: 124,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,251.77 : 203,202.04 = 89,986.92 : x
  2. Step 2: Convert to fraction form
    147,251.77/203,202.04 = 89,986.92/x
  3. Step 3: Cross multiply
    147,251.77x = 203,202.04 × 89,986.92
  4. Step 4: Simplify right side
    147,251.77x = 18,285,526,866.67
  5. Step 5: Solve for x
    x = 18,285,526,866.67/147,251.77
  6. Step 6: Final answer
    x = 124,178.65

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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.