Home / 186,952.20-280,428.30-168,289.80

Finding the Fourth Proportional to 186,952.20, 280,428.30 and 168,289.80

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Solution

The fourth proportional to 186,952.20, 280,428.30 and 168,289.80 is: 252,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,952.20 : 280,428.30 = 168,289.80 : x
  2. Step 2: Convert to fraction form
    186,952.20/280,428.30 = 168,289.80/x
  3. Step 3: Cross multiply
    186,952.20x = 280,428.30 × 168,289.80
  4. Step 4: Simplify right side
    186,952.20x = 47,193,222,521.34
  5. Step 5: Solve for x
    x = 47,193,222,521.34/186,952.20
  6. Step 6: Final answer
    x = 252,434.70

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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.