Home / 171,172.40-256,758.60-52,833.20

Finding the Fourth Proportional to 171,172.40, 256,758.60 and 52,833.20

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Solution

The fourth proportional to 171,172.40, 256,758.60 and 52,833.20 is: 79,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,172.40 : 256,758.60 = 52,833.20 : x
  2. Step 2: Convert to fraction form
    171,172.40/256,758.60 = 52,833.20/x
  3. Step 3: Cross multiply
    171,172.40x = 256,758.60 × 52,833.20
  4. Step 4: Simplify right side
    171,172.40x = 13,565,378,465.52
  5. Step 5: Solve for x
    x = 13,565,378,465.52/171,172.40
  6. Step 6: Final answer
    x = 79,249.80

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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.