Home / 107,673.28-148,601.04-65,255.20

Finding the Fourth Proportional to 107,673.28, 148,601.04 and 65,255.20

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Solution

The fourth proportional to 107,673.28, 148,601.04 and 65,255.20 is: 90,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,673.28 : 148,601.04 = 65,255.20 : x
  2. Step 2: Convert to fraction form
    107,673.28/148,601.04 = 65,255.20/x
  3. Step 3: Cross multiply
    107,673.28x = 148,601.04 × 65,255.20
  4. Step 4: Simplify right side
    107,673.28x = 9,696,990,585.41
  5. Step 5: Solve for x
    x = 9,696,990,585.41/107,673.28
  6. Step 6: Final answer
    x = 90,059.40

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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.