Home / 170,639.62-235,493.70-98,065.86

Finding the Fourth Proportional to 170,639.62, 235,493.70 and 98,065.86

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Solution

The fourth proportional to 170,639.62, 235,493.70 and 98,065.86 is: 135,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,639.62 : 235,493.70 = 98,065.86 : x
  2. Step 2: Convert to fraction form
    170,639.62/235,493.70 = 98,065.86/x
  3. Step 3: Cross multiply
    170,639.62x = 235,493.70 × 98,065.86
  4. Step 4: Simplify right side
    170,639.62x = 23,093,892,215.08
  5. Step 5: Solve for x
    x = 23,093,892,215.08/170,639.62
  6. Step 6: Final answer
    x = 135,337.22

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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.