Home / 115,425.20-173,094.60-40,516.40

Finding the Fourth Proportional to 115,425.20, 173,094.60 and 40,516.40

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Solution

The fourth proportional to 115,425.20, 173,094.60 and 40,516.40 is: 60,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,425.20 : 173,094.60 = 40,516.40 : x
  2. Step 2: Convert to fraction form
    115,425.20/173,094.60 = 40,516.40/x
  3. Step 3: Cross multiply
    115,425.20x = 173,094.60 × 40,516.40
  4. Step 4: Simplify right side
    115,425.20x = 7,013,170,051.44
  5. Step 5: Solve for x
    x = 7,013,170,051.44/115,425.20
  6. Step 6: Final answer
    x = 60,759.44

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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.