Home / 361,420.11-498,753.77-198,075.36

Finding the Fourth Proportional to 361,420.11, 498,753.77 and 198,075.36

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Solution

The fourth proportional to 361,420.11, 498,753.77 and 198,075.36 is: 273,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,420.11 : 498,753.77 = 198,075.36 : x
  2. Step 2: Convert to fraction form
    361,420.11/498,753.77 = 198,075.36/x
  3. Step 3: Cross multiply
    361,420.11x = 498,753.77 × 198,075.36
  4. Step 4: Simplify right side
    361,420.11x = 98,790,832,544.11
  5. Step 5: Solve for x
    x = 98,790,832,544.11/361,420.11
  6. Step 6: Final answer
    x = 273,340.72

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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.