Home / 170,310.87-235,029.06-98,732.45

Finding the Fourth Proportional to 170,310.87, 235,029.06 and 98,732.45

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Solution

The fourth proportional to 170,310.87, 235,029.06 and 98,732.45 is: 136,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,310.87 : 235,029.06 = 98,732.45 : x
  2. Step 2: Convert to fraction form
    170,310.87/235,029.06 = 98,732.45/x
  3. Step 3: Cross multiply
    170,310.87x = 235,029.06 × 98,732.45
  4. Step 4: Simplify right side
    170,310.87x = 23,204,995,502.57
  5. Step 5: Solve for x
    x = 23,204,995,502.57/170,310.87
  6. Step 6: Final answer
    x = 136,250.82

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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.