Home / 194,481.51-291,511.20-99,581.50

Finding the Fourth Proportional to 194,481.51, 291,511.20 and 99,581.50

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Solution

The fourth proportional to 194,481.51, 291,511.20 and 99,581.50 is: 149,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,481.51 : 291,511.20 = 99,581.50 : x
  2. Step 2: Convert to fraction form
    194,481.51/291,511.20 = 99,581.50/x
  3. Step 3: Cross multiply
    194,481.51x = 291,511.20 × 99,581.50
  4. Step 4: Simplify right side
    194,481.51x = 29,029,123,300.62
  5. Step 5: Solve for x
    x = 29,029,123,300.62/194,481.51
  6. Step 6: Final answer
    x = 149,264.18

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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.