Home / 147,500.24-203,492.39-90,813.20

Finding the Fourth Proportional to 147,500.24, 203,492.39 and 90,813.20

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Solution

The fourth proportional to 147,500.24, 203,492.39 and 90,813.20 is: 125,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,500.24 : 203,492.39 = 90,813.20 : x
  2. Step 2: Convert to fraction form
    147,500.24/203,492.39 = 90,813.20/x
  3. Step 3: Cross multiply
    147,500.24x = 203,492.39 × 90,813.20
  4. Step 4: Simplify right side
    147,500.24x = 18,479,793,640.02
  5. Step 5: Solve for x
    x = 18,479,793,640.02/147,500.24
  6. Step 6: Final answer
    x = 125,286.54

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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.