Home / 187,282.91-280,932.56-54,176.63

Finding the Fourth Proportional to 187,282.91, 280,932.56 and 54,176.63

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Solution

The fourth proportional to 187,282.91, 280,932.56 and 54,176.63 is: 81,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,282.91 : 280,932.56 = 54,176.63 : x
  2. Step 2: Convert to fraction form
    187,282.91/280,932.56 = 54,176.63/x
  3. Step 3: Cross multiply
    187,282.91x = 280,932.56 × 54,176.63
  4. Step 4: Simplify right side
    187,282.91x = 15,219,977,682.53
  5. Step 5: Solve for x
    x = 15,219,977,682.53/187,282.91
  6. Step 6: Final answer
    x = 81,267.31

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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.