Home / 170,868.87-235,759.14-99,205.74

Finding the Fourth Proportional to 170,868.87, 235,759.14 and 99,205.74

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Solution

The fourth proportional to 170,868.87, 235,759.14 and 99,205.74 is: 136,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,868.87 : 235,759.14 = 99,205.74 : x
  2. Step 2: Convert to fraction form
    170,868.87/235,759.14 = 99,205.74/x
  3. Step 3: Cross multiply
    170,868.87x = 235,759.14 × 99,205.74
  4. Step 4: Simplify right side
    170,868.87x = 23,388,659,945.46
  5. Step 5: Solve for x
    x = 23,388,659,945.46/170,868.87
  6. Step 6: Final answer
    x = 136,880.76

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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.