Home / 200,170.04-276,234.51-109,526.60

Finding the Fourth Proportional to 200,170.04, 276,234.51 and 109,526.60

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Solution

The fourth proportional to 200,170.04, 276,234.51 and 109,526.60 is: 151,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,170.04 : 276,234.51 = 109,526.60 : x
  2. Step 2: Convert to fraction form
    200,170.04/276,234.51 = 109,526.60/x
  3. Step 3: Cross multiply
    200,170.04x = 276,234.51 × 109,526.60
  4. Step 4: Simplify right side
    200,170.04x = 30,255,026,682.97
  5. Step 5: Solve for x
    x = 30,255,026,682.97/200,170.04
  6. Step 6: Final answer
    x = 151,146.63

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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.