Home / 195,090.32-292,658.92-68,704.45

Finding the Fourth Proportional to 195,090.32, 292,658.92 and 68,704.45

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Solution

The fourth proportional to 195,090.32, 292,658.92 and 68,704.45 is: 103,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,090.32 : 292,658.92 = 68,704.45 : x
  2. Step 2: Convert to fraction form
    195,090.32/292,658.92 = 68,704.45/x
  3. Step 3: Cross multiply
    195,090.32x = 292,658.92 × 68,704.45
  4. Step 4: Simplify right side
    195,090.32x = 20,106,971,265.45
  5. Step 5: Solve for x
    x = 20,106,971,265.45/195,090.32
  6. Step 6: Final answer
    x = 103,064.93

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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.