Home / 331,345.10-496,628.85-141,805.10

Finding the Fourth Proportional to 331,345.10, 496,628.85 and 141,805.10

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Solution

The fourth proportional to 331,345.10, 496,628.85 and 141,805.10 is: 212,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,345.10 : 496,628.85 = 141,805.10 : x
  2. Step 2: Convert to fraction form
    331,345.10/496,628.85 = 141,805.10/x
  3. Step 3: Cross multiply
    331,345.10x = 496,628.85 × 141,805.10
  4. Step 4: Simplify right side
    331,345.10x = 70,424,503,737.14
  5. Step 5: Solve for x
    x = 70,424,503,737.14/331,345.10
  6. Step 6: Final answer
    x = 212,541.26

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1.5x scale

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.