Home / 149,656.24-206,526.84-81,673.76

Finding the Fourth Proportional to 149,656.24, 206,526.84 and 81,673.76

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Solution

The fourth proportional to 149,656.24, 206,526.84 and 81,673.76 is: 112,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,656.24 : 206,526.84 = 81,673.76 : x
  2. Step 2: Convert to fraction form
    149,656.24/206,526.84 = 81,673.76/x
  3. Step 3: Cross multiply
    149,656.24x = 206,526.84 × 81,673.76
  4. Step 4: Simplify right side
    149,656.24x = 16,867,823,563.72
  5. Step 5: Solve for x
    x = 16,867,823,563.72/149,656.24
  6. Step 6: Final answer
    x = 112,710.46

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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.