Home / 194,816.20-292,224.30-76,426.60

Finding the Fourth Proportional to 194,816.20, 292,224.30 and 76,426.60

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Solution

The fourth proportional to 194,816.20, 292,224.30 and 76,426.60 is: 114,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,816.20 : 292,224.30 = 76,426.60 : x
  2. Step 2: Convert to fraction form
    194,816.20/292,224.30 = 76,426.60/x
  3. Step 3: Cross multiply
    194,816.20x = 292,224.30 × 76,426.60
  4. Step 4: Simplify right side
    194,816.20x = 22,333,709,686.38
  5. Step 5: Solve for x
    x = 22,333,709,686.38/194,816.20
  6. Step 6: Final answer
    x = 114,639.90

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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.