Home / 251,487.29-377,277.56-83,019.35

Finding the Fourth Proportional to 251,487.29, 377,277.56 and 83,019.35

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Solution

The fourth proportional to 251,487.29, 377,277.56 and 83,019.35 is: 124,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,487.29 : 377,277.56 = 83,019.35 : x
  2. Step 2: Convert to fraction form
    251,487.29/377,277.56 = 83,019.35/x
  3. Step 3: Cross multiply
    251,487.29x = 377,277.56 × 83,019.35
  4. Step 4: Simplify right side
    251,487.29x = 31,321,337,800.79
  5. Step 5: Solve for x
    x = 31,321,337,800.79/251,487.29
  6. Step 6: Final answer
    x = 124,544.42

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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.