Home / 220,852.50-331,271.46-71,101.32

Finding the Fourth Proportional to 220,852.50, 331,271.46 and 71,101.32

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Solution

The fourth proportional to 220,852.50, 331,271.46 and 71,101.32 is: 106,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,852.50 : 331,271.46 = 71,101.32 : x
  2. Step 2: Convert to fraction form
    220,852.50/331,271.46 = 71,101.32/x
  3. Step 3: Cross multiply
    220,852.50x = 331,271.46 × 71,101.32
  4. Step 4: Simplify right side
    220,852.50x = 23,553,838,084.33
  5. Step 5: Solve for x
    x = 23,553,838,084.33/220,852.50
  6. Step 6: Final answer
    x = 106,649.63

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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.