Home / 361,102.17-498,320.69-199,957.22

Finding the Fourth Proportional to 361,102.17, 498,320.69 and 199,957.22

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Solution

The fourth proportional to 361,102.17, 498,320.69 and 199,957.22 is: 275,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,102.17 : 498,320.69 = 199,957.22 : x
  2. Step 2: Convert to fraction form
    361,102.17/498,320.69 = 199,957.22/x
  3. Step 3: Cross multiply
    361,102.17x = 498,320.69 × 199,957.22
  4. Step 4: Simplify right side
    361,102.17x = 99,642,819,840.88
  5. Step 5: Solve for x
    x = 99,642,819,840.88/361,102.17
  6. Step 6: Final answer
    x = 275,940.79

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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.