Home / 187,076.25-280,684.09-112,250.10

Finding the Fourth Proportional to 187,076.25, 280,684.09 and 112,250.10

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Solution

The fourth proportional to 187,076.25, 280,684.09 and 112,250.10 is: 168,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,076.25 : 280,684.09 = 112,250.10 : x
  2. Step 2: Convert to fraction form
    187,076.25/280,684.09 = 112,250.10/x
  3. Step 3: Cross multiply
    187,076.25x = 280,684.09 × 112,250.10
  4. Step 4: Simplify right side
    187,076.25x = 31,506,817,170.91
  5. Step 5: Solve for x
    x = 31,506,817,170.91/187,076.25
  6. Step 6: Final answer
    x = 168,416.98

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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.