Home / 171,441.81-257,175.04-59,120.40

Finding the Fourth Proportional to 171,441.81, 257,175.04 and 59,120.40

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Solution

The fourth proportional to 171,441.81, 257,175.04 and 59,120.40 is: 88,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,441.81 : 257,175.04 = 59,120.40 : x
  2. Step 2: Convert to fraction form
    171,441.81/257,175.04 = 59,120.40/x
  3. Step 3: Cross multiply
    171,441.81x = 257,175.04 × 59,120.40
  4. Step 4: Simplify right side
    171,441.81x = 15,204,291,087.02
  5. Step 5: Solve for x
    x = 15,204,291,087.02/171,441.81
  6. Step 6: Final answer
    x = 88,684.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.