Home / 171,762.20-257,687.22-53,434.55

Finding the Fourth Proportional to 171,762.20, 257,687.22 and 53,434.55

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Solution

The fourth proportional to 171,762.20, 257,687.22 and 53,434.55 is: 80,165.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,762.20 : 257,687.22 = 53,434.55 : x
  2. Step 2: Convert to fraction form
    171,762.20/257,687.22 = 53,434.55/x
  3. Step 3: Cross multiply
    171,762.20x = 257,687.22 × 53,434.55
  4. Step 4: Simplify right side
    171,762.20x = 13,769,400,641.45
  5. Step 5: Solve for x
    x = 13,769,400,641.45/171,762.20
  6. Step 6: Final answer
    x = 80,165.49

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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.