Home / 148,288.32-204,561.60-100,525.44

Finding the Fourth Proportional to 148,288.32, 204,561.60 and 100,525.44

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Solution

The fourth proportional to 148,288.32, 204,561.60 and 100,525.44 is: 138,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,288.32 : 204,561.60 = 100,525.44 : x
  2. Step 2: Convert to fraction form
    148,288.32/204,561.60 = 100,525.44/x
  3. Step 3: Cross multiply
    148,288.32x = 204,561.60 × 100,525.44
  4. Step 4: Simplify right side
    148,288.32x = 20,563,644,847.10
  5. Step 5: Solve for x
    x = 20,563,644,847.10/148,288.32
  6. Step 6: Final answer
    x = 138,673.40

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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.