Home / 171,717.87-257,589.10-45,356.85

Finding the Fourth Proportional to 171,717.87, 257,589.10 and 45,356.85

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Solution

The fourth proportional to 171,717.87, 257,589.10 and 45,356.85 is: 68,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,717.87 : 257,589.10 = 45,356.85 : x
  2. Step 2: Convert to fraction form
    171,717.87/257,589.10 = 45,356.85/x
  3. Step 3: Cross multiply
    171,717.87x = 257,589.10 × 45,356.85
  4. Step 4: Simplify right side
    171,717.87x = 11,683,429,247.43
  5. Step 5: Solve for x
    x = 11,683,429,247.43/171,717.87
  6. Step 6: Final answer
    x = 68,038.52

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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.