Home / 199,396.87-275,210.27-114,560.71

Finding the Fourth Proportional to 199,396.87, 275,210.27 and 114,560.71

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Solution

The fourth proportional to 199,396.87, 275,210.27 and 114,560.71 is: 158,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,396.87 : 275,210.27 = 114,560.71 : x
  2. Step 2: Convert to fraction form
    199,396.87/275,210.27 = 114,560.71/x
  3. Step 3: Cross multiply
    199,396.87x = 275,210.27 × 114,560.71
  4. Step 4: Simplify right side
    199,396.87x = 31,528,283,357.69
  5. Step 5: Solve for x
    x = 31,528,283,357.69/199,396.87
  6. Step 6: Final answer
    x = 158,118.25

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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.