Home / 200,614.20-276,935.76-140,421.18

Finding the Fourth Proportional to 200,614.20, 276,935.76 and 140,421.18

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Solution

The fourth proportional to 200,614.20, 276,935.76 and 140,421.18 is: 193,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,614.20 : 276,935.76 = 140,421.18 : x
  2. Step 2: Convert to fraction form
    200,614.20/276,935.76 = 140,421.18/x
  3. Step 3: Cross multiply
    200,614.20x = 276,935.76 × 140,421.18
  4. Step 4: Simplify right side
    200,614.20x = 38,887,646,203.40
  5. Step 5: Solve for x
    x = 38,887,646,203.40/200,614.20
  6. Step 6: Final answer
    x = 193,842.94

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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.