Home / 170,895.28-235,828.31-98,292.69

Finding the Fourth Proportional to 170,895.28, 235,828.31 and 98,292.69

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Solution

The fourth proportional to 170,895.28, 235,828.31 and 98,292.69 is: 135,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,895.28 : 235,828.31 = 98,292.69 : x
  2. Step 2: Convert to fraction form
    170,895.28/235,828.31 = 98,292.69/x
  3. Step 3: Cross multiply
    170,895.28x = 235,828.31 × 98,292.69
  4. Step 4: Simplify right side
    170,895.28x = 23,180,198,968.05
  5. Step 5: Solve for x
    x = 23,180,198,968.05/170,895.28
  6. Step 6: Final answer
    x = 135,639.78

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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.