Home / 185,380.79-278,298.38-122,253.64

Finding the Fourth Proportional to 185,380.79, 278,298.38 and 122,253.64

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Solution

The fourth proportional to 185,380.79, 278,298.38 and 122,253.64 is: 183,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,380.79 : 278,298.38 = 122,253.64 : x
  2. Step 2: Convert to fraction form
    185,380.79/278,298.38 = 122,253.64/x
  3. Step 3: Cross multiply
    185,380.79x = 278,298.38 × 122,253.64
  4. Step 4: Simplify right side
    185,380.79x = 34,022,989,570.99
  5. Step 5: Solve for x
    x = 34,022,989,570.99/185,380.79
  6. Step 6: Final answer
    x = 183,530.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.