Home / 107,970.28-148,995.78-60,222.55

Finding the Fourth Proportional to 107,970.28, 148,995.78 and 60,222.55

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Solution

The fourth proportional to 107,970.28, 148,995.78 and 60,222.55 is: 83,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,970.28 : 148,995.78 = 60,222.55 : x
  2. Step 2: Convert to fraction form
    107,970.28/148,995.78 = 60,222.55/x
  3. Step 3: Cross multiply
    107,970.28x = 148,995.78 × 60,222.55
  4. Step 4: Simplify right side
    107,970.28x = 8,972,905,810.84
  5. Step 5: Solve for x
    x = 8,972,905,810.84/107,970.28
  6. Step 6: Final answer
    x = 83,105.33

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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.