Home / 107,912.07-148,913.21-60,156.20

Finding the Fourth Proportional to 107,912.07, 148,913.21 and 60,156.20

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Solution

The fourth proportional to 107,912.07, 148,913.21 and 60,156.20 is: 83,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,912.07 : 148,913.21 = 60,156.20 : x
  2. Step 2: Convert to fraction form
    107,912.07/148,913.21 = 60,156.20/x
  3. Step 3: Cross multiply
    107,912.07x = 148,913.21 × 60,156.20
  4. Step 4: Simplify right side
    107,912.07x = 8,958,052,843.40
  5. Step 5: Solve for x
    x = 8,958,052,843.40/107,912.07
  6. Step 6: Final answer
    x = 83,012.52

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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.