Home / 149,615.11-206,227.66-101,199.38

Finding the Fourth Proportional to 149,615.11, 206,227.66 and 101,199.38

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Solution

The fourth proportional to 149,615.11, 206,227.66 and 101,199.38 is: 139,492.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,615.11 : 206,227.66 = 101,199.38 : x
  2. Step 2: Convert to fraction form
    149,615.11/206,227.66 = 101,199.38/x
  3. Step 3: Cross multiply
    149,615.11x = 206,227.66 × 101,199.38
  4. Step 4: Simplify right side
    149,615.11x = 20,870,111,077.85
  5. Step 5: Solve for x
    x = 20,870,111,077.85/149,615.11
  6. Step 6: Final answer
    x = 139,492.00

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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.