Home / 194,331.84-291,542.40-100,816.80

Finding the Fourth Proportional to 194,331.84, 291,542.40 and 100,816.80

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Solution

The fourth proportional to 194,331.84, 291,542.40 and 100,816.80 is: 151,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,331.84 : 291,542.40 = 100,816.80 : x
  2. Step 2: Convert to fraction form
    194,331.84/291,542.40 = 100,816.80/x
  3. Step 3: Cross multiply
    194,331.84x = 291,542.40 × 100,816.80
  4. Step 4: Simplify right side
    194,331.84x = 29,392,371,832.32
  5. Step 5: Solve for x
    x = 29,392,371,832.32/194,331.84
  6. Step 6: Final answer
    x = 151,248.36

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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.