Home / 160,739.98-241,123.11-80,736.81

Finding the Fourth Proportional to 160,739.98, 241,123.11 and 80,736.81

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Solution

The fourth proportional to 160,739.98, 241,123.11 and 80,736.81 is: 121,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,739.98 : 241,123.11 = 80,736.81 : x
  2. Step 2: Convert to fraction form
    160,739.98/241,123.11 = 80,736.81/x
  3. Step 3: Cross multiply
    160,739.98x = 241,123.11 × 80,736.81
  4. Step 4: Simplify right side
    160,739.98x = 19,467,509,513.06
  5. Step 5: Solve for x
    x = 19,467,509,513.06/160,739.98
  6. Step 6: Final answer
    x = 121,111.81

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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.