Home / 149,723.16-206,609.13-81,726.63

Finding the Fourth Proportional to 149,723.16, 206,609.13 and 81,726.63

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Solution

The fourth proportional to 149,723.16, 206,609.13 and 81,726.63 is: 112,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,723.16 : 206,609.13 = 81,726.63 : x
  2. Step 2: Convert to fraction form
    149,723.16/206,609.13 = 81,726.63/x
  3. Step 3: Cross multiply
    149,723.16x = 206,609.13 × 81,726.63
  4. Step 4: Simplify right side
    149,723.16x = 16,885,467,922.13
  5. Step 5: Solve for x
    x = 16,885,467,922.13/149,723.16
  6. Step 6: Final answer
    x = 112,777.93

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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.