Home / 187,282.08-280,923.12-82,124.64

Finding the Fourth Proportional to 187,282.08, 280,923.12 and 82,124.64

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Solution

The fourth proportional to 187,282.08, 280,923.12 and 82,124.64 is: 123,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,282.08 : 280,923.12 = 82,124.64 : x
  2. Step 2: Convert to fraction form
    187,282.08/280,923.12 = 82,124.64/x
  3. Step 3: Cross multiply
    187,282.08x = 280,923.12 × 82,124.64
  4. Step 4: Simplify right side
    187,282.08x = 23,070,710,097.68
  5. Step 5: Solve for x
    x = 23,070,710,097.68/187,282.08
  6. Step 6: Final answer
    x = 123,186.96

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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.