Home / 194,986.20-292,284.90-89,621.40

Finding the Fourth Proportional to 194,986.20, 292,284.90 and 89,621.40

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Solution

The fourth proportional to 194,986.20, 292,284.90 and 89,621.40 is: 134,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,986.20 : 292,284.90 = 89,621.40 : x
  2. Step 2: Convert to fraction form
    194,986.20/292,284.90 = 89,621.40/x
  3. Step 3: Cross multiply
    194,986.20x = 292,284.90 × 89,621.40
  4. Step 4: Simplify right side
    194,986.20x = 26,194,981,936.86
  5. Step 5: Solve for x
    x = 26,194,981,936.86/194,986.20
  6. Step 6: Final answer
    x = 134,342.75

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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.