Home / 107,199.22-147,911.24-61,867.57

Finding the Fourth Proportional to 107,199.22, 147,911.24 and 61,867.57

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Solution

The fourth proportional to 107,199.22, 147,911.24 and 61,867.57 is: 85,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,199.22 : 147,911.24 = 61,867.57 : x
  2. Step 2: Convert to fraction form
    107,199.22/147,911.24 = 61,867.57/x
  3. Step 3: Cross multiply
    107,199.22x = 147,911.24 × 61,867.57
  4. Step 4: Simplify right side
    107,199.22x = 9,150,908,685.15
  5. Step 5: Solve for x
    x = 9,150,908,685.15/107,199.22
  6. Step 6: Final answer
    x = 85,363.58

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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.