Home / 147,366.30-203,365.48-80,298.30

Finding the Fourth Proportional to 147,366.30, 203,365.48 and 80,298.30

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Solution

The fourth proportional to 147,366.30, 203,365.48 and 80,298.30 is: 110,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,366.30 : 203,365.48 = 80,298.30 : x
  2. Step 2: Convert to fraction form
    147,366.30/203,365.48 = 80,298.30/x
  3. Step 3: Cross multiply
    147,366.30x = 203,365.48 × 80,298.30
  4. Step 4: Simplify right side
    147,366.30x = 16,329,902,322.68
  5. Step 5: Solve for x
    x = 16,329,902,322.68/147,366.30
  6. Step 6: Final answer
    x = 110,811.65

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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.