Home / 348,539.10-522,808.65-111,905.70

Finding the Fourth Proportional to 348,539.10, 522,808.65 and 111,905.70

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Solution

The fourth proportional to 348,539.10, 522,808.65 and 111,905.70 is: 167,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,539.10 : 522,808.65 = 111,905.70 : x
  2. Step 2: Convert to fraction form
    348,539.10/522,808.65 = 111,905.70/x
  3. Step 3: Cross multiply
    348,539.10x = 522,808.65 × 111,905.70
  4. Step 4: Simplify right side
    348,539.10x = 58,505,267,944.31
  5. Step 5: Solve for x
    x = 58,505,267,944.31/348,539.10
  6. Step 6: Final answer
    x = 167,858.55

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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.