Home / 348,115.14-522,180-111,457.17

Finding the Fourth Proportional to 348,115.14, 522,180 and 111,457.17

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Solution

The fourth proportional to 348,115.14, 522,180 and 111,457.17 is: 167,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,115.14 : 522,180 = 111,457.17 : x
  2. Step 2: Convert to fraction form
    348,115.14/522,180 = 111,457.17/x
  3. Step 3: Cross multiply
    348,115.14x = 522,180 × 111,457.17
  4. Step 4: Simplify right side
    348,115.14x = 58,200,705,030.60
  5. Step 5: Solve for x
    x = 58,200,705,030.60/348,115.14
  6. Step 6: Final answer
    x = 167,188.09

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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.