Home / 377,198.10-520,522.98-207,432.21

Finding the Fourth Proportional to 377,198.10, 520,522.98 and 207,432.21

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Solution

The fourth proportional to 377,198.10, 520,522.98 and 207,432.21 is: 286,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,198.10 : 520,522.98 = 207,432.21 : x
  2. Step 2: Convert to fraction form
    377,198.10/520,522.98 = 207,432.21/x
  3. Step 3: Cross multiply
    377,198.10x = 520,522.98 × 207,432.21
  4. Step 4: Simplify right side
    377,198.10x = 107,973,232,097.19
  5. Step 5: Solve for x
    x = 107,973,232,097.19/377,198.10
  6. Step 6: Final answer
    x = 286,250.73

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1.5x scale

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.