Home / 160,125.70-220,969.62-87,525.33

Finding the Fourth Proportional to 160,125.70, 220,969.62 and 87,525.33

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Solution

The fourth proportional to 160,125.70, 220,969.62 and 87,525.33 is: 120,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,125.70 : 220,969.62 = 87,525.33 : x
  2. Step 2: Convert to fraction form
    160,125.70/220,969.62 = 87,525.33/x
  3. Step 3: Cross multiply
    160,125.70x = 220,969.62 × 87,525.33
  4. Step 4: Simplify right side
    160,125.70x = 19,340,438,472.85
  5. Step 5: Solve for x
    x = 19,340,438,472.85/160,125.70
  6. Step 6: Final answer
    x = 120,782.85

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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.