Home / 192,875.24-289,331.90-66,498.86

Finding the Fourth Proportional to 192,875.24, 289,331.90 and 66,498.86

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Solution

The fourth proportional to 192,875.24, 289,331.90 and 66,498.86 is: 99,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,875.24 : 289,331.90 = 66,498.86 : x
  2. Step 2: Convert to fraction form
    192,875.24/289,331.90 = 66,498.86/x
  3. Step 3: Cross multiply
    192,875.24x = 289,331.90 × 66,498.86
  4. Step 4: Simplify right side
    192,875.24x = 19,240,241,902.47
  5. Step 5: Solve for x
    x = 19,240,241,902.47/192,875.24
  6. Step 6: Final answer
    x = 99,754.86

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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.