Home / 203,156.27-280,402.30-135,176.10

Finding the Fourth Proportional to 203,156.27, 280,402.30 and 135,176.10

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Solution

The fourth proportional to 203,156.27, 280,402.30 and 135,176.10 is: 186,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,156.27 : 280,402.30 = 135,176.10 : x
  2. Step 2: Convert to fraction form
    203,156.27/280,402.30 = 135,176.10/x
  3. Step 3: Cross multiply
    203,156.27x = 280,402.30 × 135,176.10
  4. Step 4: Simplify right side
    203,156.27x = 37,903,689,345.03
  5. Step 5: Solve for x
    x = 37,903,689,345.03/203,156.27
  6. Step 6: Final answer
    x = 186,574.06

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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.