Home / 361,530.18-498,941.52-200,435.76

Finding the Fourth Proportional to 361,530.18, 498,941.52 and 200,435.76

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Solution

The fourth proportional to 361,530.18, 498,941.52 and 200,435.76 is: 276,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,530.18 : 498,941.52 = 200,435.76 : x
  2. Step 2: Convert to fraction form
    361,530.18/498,941.52 = 200,435.76/x
  3. Step 3: Cross multiply
    361,530.18x = 498,941.52 × 200,435.76
  4. Step 4: Simplify right side
    361,530.18x = 100,005,722,756.76
  5. Step 5: Solve for x
    x = 100,005,722,756.76/361,530.18
  6. Step 6: Final answer
    x = 276,617.91

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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.