Home / 156,738.33-216,365.11-105,820.04

Finding the Fourth Proportional to 156,738.33, 216,365.11 and 105,820.04

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Solution

The fourth proportional to 156,738.33, 216,365.11 and 105,820.04 is: 146,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.33 : 216,365.11 = 105,820.04 : x
  2. Step 2: Convert to fraction form
    156,738.33/216,365.11 = 105,820.04/x
  3. Step 3: Cross multiply
    156,738.33x = 216,365.11 × 105,820.04
  4. Step 4: Simplify right side
    156,738.33x = 22,895,764,871.17
  5. Step 5: Solve for x
    x = 22,895,764,871.17/156,738.33
  6. Step 6: Final answer
    x = 146,076.36

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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.