Home / 149,739.29-206,369.57-124,110.68

Finding the Fourth Proportional to 149,739.29, 206,369.57 and 124,110.68

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Solution

The fourth proportional to 149,739.29, 206,369.57 and 124,110.68 is: 171,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,739.29 : 206,369.57 = 124,110.68 : x
  2. Step 2: Convert to fraction form
    149,739.29/206,369.57 = 124,110.68/x
  3. Step 3: Cross multiply
    149,739.29x = 206,369.57 × 124,110.68
  4. Step 4: Simplify right side
    149,739.29x = 25,612,666,011.61
  5. Step 5: Solve for x
    x = 25,612,666,011.61/149,739.29
  6. Step 6: Final answer
    x = 171,048.41

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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.