Home / 171,518.06-257,253.73-45,147.72

Finding the Fourth Proportional to 171,518.06, 257,253.73 and 45,147.72

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Solution

The fourth proportional to 171,518.06, 257,253.73 and 45,147.72 is: 67,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,518.06 : 257,253.73 = 45,147.72 : x
  2. Step 2: Convert to fraction form
    171,518.06/257,253.73 = 45,147.72/x
  3. Step 3: Cross multiply
    171,518.06x = 257,253.73 × 45,147.72
  4. Step 4: Simplify right side
    171,518.06x = 11,614,418,293.42
  5. Step 5: Solve for x
    x = 11,614,418,293.42/171,518.06
  6. Step 6: Final answer
    x = 67,715.43

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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.