Home / 361,106.30-498,320.58-199,957.90

Finding the Fourth Proportional to 361,106.30, 498,320.58 and 199,957.90

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Solution

The fourth proportional to 361,106.30, 498,320.58 and 199,957.90 is: 275,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,106.30 : 498,320.58 = 199,957.90 : x
  2. Step 2: Convert to fraction form
    361,106.30/498,320.58 = 199,957.90/x
  3. Step 3: Cross multiply
    361,106.30x = 498,320.58 × 199,957.90
  4. Step 4: Simplify right side
    361,106.30x = 99,643,136,703.58
  5. Step 5: Solve for x
    x = 99,643,136,703.58/361,106.30
  6. Step 6: Final answer
    x = 275,938.52

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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.