Home / 185,810.37-278,715.45-52,691.79

Finding the Fourth Proportional to 185,810.37, 278,715.45 and 52,691.79

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Solution

The fourth proportional to 185,810.37, 278,715.45 and 52,691.79 is: 79,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,810.37 : 278,715.45 = 52,691.79 : x
  2. Step 2: Convert to fraction form
    185,810.37/278,715.45 = 52,691.79/x
  3. Step 3: Cross multiply
    185,810.37x = 278,715.45 × 52,691.79
  4. Step 4: Simplify right side
    185,810.37x = 14,686,015,961.16
  5. Step 5: Solve for x
    x = 14,686,015,961.16/185,810.37
  6. Step 6: Final answer
    x = 79,037.66

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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.