Home / 436,045.34-654,162.32-132,414.55

Finding the Fourth Proportional to 436,045.34, 654,162.32 and 132,414.55

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Solution

The fourth proportional to 436,045.34, 654,162.32 and 132,414.55 is: 198,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,045.34 : 654,162.32 = 132,414.55 : x
  2. Step 2: Convert to fraction form
    436,045.34/654,162.32 = 132,414.55/x
  3. Step 3: Cross multiply
    436,045.34x = 654,162.32 × 132,414.55
  4. Step 4: Simplify right side
    436,045.34x = 86,620,607,925.39
  5. Step 5: Solve for x
    x = 86,620,607,925.39/436,045.34
  6. Step 6: Final answer
    x = 198,650.46

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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.