Home / 361,100.05-498,317.76-199,955.09

Finding the Fourth Proportional to 361,100.05, 498,317.76 and 199,955.09

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Solution

The fourth proportional to 361,100.05, 498,317.76 and 199,955.09 is: 275,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,100.05 : 498,317.76 = 199,955.09 : x
  2. Step 2: Convert to fraction form
    361,100.05/498,317.76 = 199,955.09/x
  3. Step 3: Cross multiply
    361,100.05x = 498,317.76 × 199,955.09
  4. Step 4: Simplify right side
    361,100.05x = 99,641,172,549.40
  5. Step 5: Solve for x
    x = 99,641,172,549.40/361,100.05
  6. Step 6: Final answer
    x = 275,937.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.