Home / 193,022.96-289,463.36-66,630.96

Finding the Fourth Proportional to 193,022.96, 289,463.36 and 66,630.96

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Solution

The fourth proportional to 193,022.96, 289,463.36 and 66,630.96 is: 99,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,022.96 : 289,463.36 = 66,630.96 : x
  2. Step 2: Convert to fraction form
    193,022.96/289,463.36 = 66,630.96/x
  3. Step 3: Cross multiply
    193,022.96x = 289,463.36 × 66,630.96
  4. Step 4: Simplify right side
    193,022.96x = 19,287,221,228.47
  5. Step 5: Solve for x
    x = 19,287,221,228.47/193,022.96
  6. Step 6: Final answer
    x = 99,921.90

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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.