Home / 107,614.64-148,352.72-71,255.23

Finding the Fourth Proportional to 107,614.64, 148,352.72 and 71,255.23

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Solution

The fourth proportional to 107,614.64, 148,352.72 and 71,255.23 is: 98,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,614.64 : 148,352.72 = 71,255.23 : x
  2. Step 2: Convert to fraction form
    107,614.64/148,352.72 = 71,255.23/x
  3. Step 3: Cross multiply
    107,614.64x = 148,352.72 × 71,255.23
  4. Step 4: Simplify right side
    107,614.64x = 10,570,906,457.57
  5. Step 5: Solve for x
    x = 10,570,906,457.57/107,614.64
  6. Step 6: Final answer
    x = 98,229.26

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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.