Home / 283,795.95-391,641.47-154,733.37

Finding the Fourth Proportional to 283,795.95, 391,641.47 and 154,733.37

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Solution

The fourth proportional to 283,795.95, 391,641.47 and 154,733.37 is: 213,533.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,795.95 : 391,641.47 = 154,733.37 : x
  2. Step 2: Convert to fraction form
    283,795.95/391,641.47 = 154,733.37/x
  3. Step 3: Cross multiply
    283,795.95x = 391,641.47 × 154,733.37
  4. Step 4: Simplify right side
    283,795.95x = 60,600,002,822.78
  5. Step 5: Solve for x
    x = 60,600,002,822.78/283,795.95
  6. Step 6: Final answer
    x = 213,533.71

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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.