Home / 107,840.70-148,740.96-71,476.38

Finding the Fourth Proportional to 107,840.70, 148,740.96 and 71,476.38

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Solution

The fourth proportional to 107,840.70, 148,740.96 and 71,476.38 is: 98,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,840.70 : 148,740.96 = 71,476.38 : x
  2. Step 2: Convert to fraction form
    107,840.70/148,740.96 = 71,476.38/x
  3. Step 3: Cross multiply
    107,840.70x = 148,740.96 × 71,476.38
  4. Step 4: Simplify right side
    107,840.70x = 10,631,465,378.52
  5. Step 5: Solve for x
    x = 10,631,465,378.52/107,840.70
  6. Step 6: Final answer
    x = 98,584.91

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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.