Home / 125,568.33-173,329.79-83,140.53

Finding the Fourth Proportional to 125,568.33, 173,329.79 and 83,140.53

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Solution

The fourth proportional to 125,568.33, 173,329.79 and 83,140.53 is: 114,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,568.33 : 173,329.79 = 83,140.53 : x
  2. Step 2: Convert to fraction form
    125,568.33/173,329.79 = 83,140.53/x
  3. Step 3: Cross multiply
    125,568.33x = 173,329.79 × 83,140.53
  4. Step 4: Simplify right side
    125,568.33x = 14,410,730,189.69
  5. Step 5: Solve for x
    x = 14,410,730,189.69/125,568.33
  6. Step 6: Final answer
    x = 114,764.05

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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.