Home / 171,657.10-257,558.55-82,864.90

Finding the Fourth Proportional to 171,657.10, 257,558.55 and 82,864.90

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Solution

The fourth proportional to 171,657.10, 257,558.55 and 82,864.90 is: 124,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,657.10 : 257,558.55 = 82,864.90 : x
  2. Step 2: Convert to fraction form
    171,657.10/257,558.55 = 82,864.90/x
  3. Step 3: Cross multiply
    171,657.10x = 257,558.55 × 82,864.90
  4. Step 4: Simplify right side
    171,657.10x = 21,342,563,489.90
  5. Step 5: Solve for x
    x = 21,342,563,489.90/171,657.10
  6. Step 6: Final answer
    x = 124,332.54

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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.