Home / 200,421.29-276,581.50-109,777.23

Finding the Fourth Proportional to 200,421.29, 276,581.50 and 109,777.23

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Solution

The fourth proportional to 200,421.29, 276,581.50 and 109,777.23 is: 151,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,421.29 : 276,581.50 = 109,777.23 : x
  2. Step 2: Convert to fraction form
    200,421.29/276,581.50 = 109,777.23/x
  3. Step 3: Cross multiply
    200,421.29x = 276,581.50 × 109,777.23
  4. Step 4: Simplify right side
    200,421.29x = 30,362,350,939.25
  5. Step 5: Solve for x
    x = 30,362,350,939.25/200,421.29
  6. Step 6: Final answer
    x = 151,492.64

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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.