Home / 99,826.20-149,739.30-92,609.10

Finding the Fourth Proportional to 99,826.20, 149,739.30 and 92,609.10

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Solution

The fourth proportional to 99,826.20, 149,739.30 and 92,609.10 is: 138,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,826.20 : 149,739.30 = 92,609.10 : x
  2. Step 2: Convert to fraction form
    99,826.20/149,739.30 = 92,609.10/x
  3. Step 3: Cross multiply
    99,826.20x = 149,739.30 × 92,609.10
  4. Step 4: Simplify right side
    99,826.20x = 13,867,221,807.63
  5. Step 5: Solve for x
    x = 13,867,221,807.63/99,826.20
  6. Step 6: Final answer
    x = 138,913.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.