Home / 115,516.60-173,258.70-36,638.80

Finding the Fourth Proportional to 115,516.60, 173,258.70 and 36,638.80

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Solution

The fourth proportional to 115,516.60, 173,258.70 and 36,638.80 is: 54,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,516.60 : 173,258.70 = 36,638.80 : x
  2. Step 2: Convert to fraction form
    115,516.60/173,258.70 = 36,638.80/x
  3. Step 3: Cross multiply
    115,516.60x = 173,258.70 × 36,638.80
  4. Step 4: Simplify right side
    115,516.60x = 6,347,990,857.56
  5. Step 5: Solve for x
    x = 6,347,990,857.56/115,516.60
  6. Step 6: Final answer
    x = 54,953.06

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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.