Home / 360,906.23-498,055.03-199,776.31

Finding the Fourth Proportional to 360,906.23, 498,055.03 and 199,776.31

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Solution

The fourth proportional to 360,906.23, 498,055.03 and 199,776.31 is: 275,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,906.23 : 498,055.03 = 199,776.31 : x
  2. Step 2: Convert to fraction form
    360,906.23/498,055.03 = 199,776.31/x
  3. Step 3: Cross multiply
    360,906.23x = 498,055.03 × 199,776.31
  4. Step 4: Simplify right side
    360,906.23x = 99,499,594,325.76
  5. Step 5: Solve for x
    x = 99,499,594,325.76/360,906.23
  6. Step 6: Final answer
    x = 275,693.75

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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.