Home / 361,126.16-498,353.63-199,981.01

Finding the Fourth Proportional to 361,126.16, 498,353.63 and 199,981.01

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Solution

The fourth proportional to 361,126.16, 498,353.63 and 199,981.01 is: 275,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,126.16 : 498,353.63 = 199,981.01 : x
  2. Step 2: Convert to fraction form
    361,126.16/498,353.63 = 199,981.01/x
  3. Step 3: Cross multiply
    361,126.16x = 498,353.63 × 199,981.01
  4. Step 4: Simplify right side
    361,126.16x = 99,661,259,772.80
  5. Step 5: Solve for x
    x = 99,661,259,772.80/361,126.16
  6. Step 6: Final answer
    x = 275,973.53

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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.