Home / 348,387.75-522,669.38-99,069.75

Finding the Fourth Proportional to 348,387.75, 522,669.38 and 99,069.75

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Solution

The fourth proportional to 348,387.75, 522,669.38 and 99,069.75 is: 148,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,387.75 : 522,669.38 = 99,069.75 : x
  2. Step 2: Convert to fraction form
    348,387.75/522,669.38 = 99,069.75/x
  3. Step 3: Cross multiply
    348,387.75x = 522,669.38 × 99,069.75
  4. Step 4: Simplify right side
    348,387.75x = 51,780,724,313.91
  5. Step 5: Solve for x
    x = 51,780,724,313.91/348,387.75
  6. Step 6: Final answer
    x = 148,629.58

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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.