Home / 348,521.14-522,849.78-111,845.62

Finding the Fourth Proportional to 348,521.14, 522,849.78 and 111,845.62

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Solution

The fourth proportional to 348,521.14, 522,849.78 and 111,845.62 is: 167,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,521.14 : 522,849.78 = 111,845.62 : x
  2. Step 2: Convert to fraction form
    348,521.14/522,849.78 = 111,845.62/x
  3. Step 3: Cross multiply
    348,521.14x = 522,849.78 × 111,845.62
  4. Step 4: Simplify right side
    348,521.14x = 58,478,457,810.96
  5. Step 5: Solve for x
    x = 58,478,457,810.96/348,521.14
  6. Step 6: Final answer
    x = 167,790.27

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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.