Home / 185,872.10-278,807.64-52,752.49

Finding the Fourth Proportional to 185,872.10, 278,807.64 and 52,752.49

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Solution

The fourth proportional to 185,872.10, 278,807.64 and 52,752.49 is: 79,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,872.10 : 278,807.64 = 52,752.49 : x
  2. Step 2: Convert to fraction form
    185,872.10/278,807.64 = 52,752.49/x
  3. Step 3: Cross multiply
    185,872.10x = 278,807.64 × 52,752.49
  4. Step 4: Simplify right side
    185,872.10x = 14,707,797,575.43
  5. Step 5: Solve for x
    x = 14,707,797,575.43/185,872.10
  6. Step 6: Final answer
    x = 79,128.59

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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.