Home / 194,384.40-291,616.08-74,432.80

Finding the Fourth Proportional to 194,384.40, 291,616.08 and 74,432.80

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Solution

The fourth proportional to 194,384.40, 291,616.08 and 74,432.80 is: 111,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,384.40 : 291,616.08 = 74,432.80 : x
  2. Step 2: Convert to fraction form
    194,384.40/291,616.08 = 74,432.80/x
  3. Step 3: Cross multiply
    194,384.40x = 291,616.08 × 74,432.80
  4. Step 4: Simplify right side
    194,384.40x = 21,705,801,359.42
  5. Step 5: Solve for x
    x = 21,705,801,359.42/194,384.40
  6. Step 6: Final answer
    x = 111,664.32

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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.