Home / 172,631.25-258,928.40-46,284.17

Finding the Fourth Proportional to 172,631.25, 258,928.40 and 46,284.17

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Solution

The fourth proportional to 172,631.25, 258,928.40 and 46,284.17 is: 69,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,631.25 : 258,928.40 = 46,284.17 : x
  2. Step 2: Convert to fraction form
    172,631.25/258,928.40 = 46,284.17/x
  3. Step 3: Cross multiply
    172,631.25x = 258,928.40 × 46,284.17
  4. Step 4: Simplify right side
    172,631.25x = 11,984,284,904.50
  5. Step 5: Solve for x
    x = 11,984,284,904.50/172,631.25
  6. Step 6: Final answer
    x = 69,421.29

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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.