Home / 107,351.94-160,778.68-103,615.35

Finding the Fourth Proportional to 107,351.94, 160,778.68 and 103,615.35

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Solution

The fourth proportional to 107,351.94, 160,778.68 and 103,615.35 is: 155,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,351.94 : 160,778.68 = 103,615.35 : x
  2. Step 2: Convert to fraction form
    107,351.94/160,778.68 = 103,615.35/x
  3. Step 3: Cross multiply
    107,351.94x = 160,778.68 × 103,615.35
  4. Step 4: Simplify right side
    107,351.94x = 16,659,139,200.74
  5. Step 5: Solve for x
    x = 16,659,139,200.74/107,351.94
  6. Step 6: Final answer
    x = 155,182.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.