Home / 124,217.40-186,344.64-57,664.32

Finding the Fourth Proportional to 124,217.40, 186,344.64 and 57,664.32

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Solution

The fourth proportional to 124,217.40, 186,344.64 and 57,664.32 is: 86,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,217.40 : 186,344.64 = 57,664.32 : x
  2. Step 2: Convert to fraction form
    124,217.40/186,344.64 = 57,664.32/x
  3. Step 3: Cross multiply
    124,217.40x = 186,344.64 × 57,664.32
  4. Step 4: Simplify right side
    124,217.40x = 10,745,436,951.24
  5. Step 5: Solve for x
    x = 10,745,436,951.24/124,217.40
  6. Step 6: Final answer
    x = 86,505.09

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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.