Home / 148,658.90-205,181.76-94,175.86

Finding the Fourth Proportional to 148,658.90, 205,181.76 and 94,175.86

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Solution

The fourth proportional to 148,658.90, 205,181.76 and 94,175.86 is: 129,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,658.90 : 205,181.76 = 94,175.86 : x
  2. Step 2: Convert to fraction form
    148,658.90/205,181.76 = 94,175.86/x
  3. Step 3: Cross multiply
    148,658.90x = 205,181.76 × 94,175.86
  4. Step 4: Simplify right side
    148,658.90x = 19,323,168,704.31
  5. Step 5: Solve for x
    x = 19,323,168,704.31/148,658.90
  6. Step 6: Final answer
    x = 129,983.26

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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.