Home / 186,247.40-279,371.10-129,968.60

Finding the Fourth Proportional to 186,247.40, 279,371.10 and 129,968.60

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Solution

The fourth proportional to 186,247.40, 279,371.10 and 129,968.60 is: 194,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,247.40 : 279,371.10 = 129,968.60 : x
  2. Step 2: Convert to fraction form
    186,247.40/279,371.10 = 129,968.60/x
  3. Step 3: Cross multiply
    186,247.40x = 279,371.10 × 129,968.60
  4. Step 4: Simplify right side
    186,247.40x = 36,309,470,747.46
  5. Step 5: Solve for x
    x = 36,309,470,747.46/186,247.40
  6. Step 6: Final answer
    x = 194,952.90

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1.5x scale

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.