Home / 106,945.90-160,418.85-73,768.30

Finding the Fourth Proportional to 106,945.90, 160,418.85 and 73,768.30

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Solution

The fourth proportional to 106,945.90, 160,418.85 and 73,768.30 is: 110,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,945.90 : 160,418.85 = 73,768.30 : x
  2. Step 2: Convert to fraction form
    106,945.90/160,418.85 = 73,768.30/x
  3. Step 3: Cross multiply
    106,945.90x = 160,418.85 × 73,768.30
  4. Step 4: Simplify right side
    106,945.90x = 11,833,825,852.46
  5. Step 5: Solve for x
    x = 11,833,825,852.46/106,945.90
  6. Step 6: Final answer
    x = 110,652.45

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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.