Home / 202,931.20-303,959.40-180,769.60

Finding the Fourth Proportional to 202,931.20, 303,959.40 and 180,769.60

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Solution

The fourth proportional to 202,931.20, 303,959.40 and 180,769.60 is: 270,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,931.20 : 303,959.40 = 180,769.60 : x
  2. Step 2: Convert to fraction form
    202,931.20/303,959.40 = 180,769.60/x
  3. Step 3: Cross multiply
    202,931.20x = 303,959.40 × 180,769.60
  4. Step 4: Simplify right side
    202,931.20x = 54,946,619,154.24
  5. Step 5: Solve for x
    x = 54,946,619,154.24/202,931.20
  6. Step 6: Final answer
    x = 270,764.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.