Home / 436,823.34-655,234.26-137,330.10

Finding the Fourth Proportional to 436,823.34, 655,234.26 and 137,330.10

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Solution

The fourth proportional to 436,823.34, 655,234.26 and 137,330.10 is: 205,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,823.34 : 655,234.26 = 137,330.10 : x
  2. Step 2: Convert to fraction form
    436,823.34/655,234.26 = 137,330.10/x
  3. Step 3: Cross multiply
    436,823.34x = 655,234.26 × 137,330.10
  4. Step 4: Simplify right side
    436,823.34x = 89,983,386,449.23
  5. Step 5: Solve for x
    x = 89,983,386,449.23/436,823.34
  6. Step 6: Final answer
    x = 205,994.91

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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.