Home / 192,816.95-289,048.28-66,427.16

Finding the Fourth Proportional to 192,816.95, 289,048.28 and 66,427.16

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Solution

The fourth proportional to 192,816.95, 289,048.28 and 66,427.16 is: 99,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,816.95 : 289,048.28 = 66,427.16 : x
  2. Step 2: Convert to fraction form
    192,816.95/289,048.28 = 66,427.16/x
  3. Step 3: Cross multiply
    192,816.95x = 289,048.28 × 66,427.16
  4. Step 4: Simplify right side
    192,816.95x = 19,200,654,565.91
  5. Step 5: Solve for x
    x = 19,200,654,565.91/192,816.95
  6. Step 6: Final answer
    x = 99,579.71

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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.