Home / 283,934.96-391,823.39-156,607.82

Finding the Fourth Proportional to 283,934.96, 391,823.39 and 156,607.82

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Solution

The fourth proportional to 283,934.96, 391,823.39 and 156,607.82 is: 216,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,934.96 : 391,823.39 = 156,607.82 : x
  2. Step 2: Convert to fraction form
    283,934.96/391,823.39 = 156,607.82/x
  3. Step 3: Cross multiply
    283,934.96x = 391,823.39 × 156,607.82
  4. Step 4: Simplify right side
    283,934.96x = 61,362,606,932.91
  5. Step 5: Solve for x
    x = 61,362,606,932.91/283,934.96
  6. Step 6: Final answer
    x = 216,115.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.