Home / 146,784.57-220,107.39-56,869.38

Finding the Fourth Proportional to 146,784.57, 220,107.39 and 56,869.38

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Solution

The fourth proportional to 146,784.57, 220,107.39 and 56,869.38 is: 85,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,784.57 : 220,107.39 = 56,869.38 : x
  2. Step 2: Convert to fraction form
    146,784.57/220,107.39 = 56,869.38/x
  3. Step 3: Cross multiply
    146,784.57x = 220,107.39 × 56,869.38
  4. Step 4: Simplify right side
    146,784.57x = 12,517,370,802.72
  5. Step 5: Solve for x
    x = 12,517,370,802.72/146,784.57
  6. Step 6: Final answer
    x = 85,277.16

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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.