Home / 171,860.15-257,771.12-53,521.58

Finding the Fourth Proportional to 171,860.15, 257,771.12 and 53,521.58

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Solution

The fourth proportional to 171,860.15, 257,771.12 and 53,521.58 is: 80,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,860.15 : 257,771.12 = 53,521.58 : x
  2. Step 2: Convert to fraction form
    171,860.15/257,771.12 = 53,521.58/x
  3. Step 3: Cross multiply
    171,860.15x = 257,771.12 × 53,521.58
  4. Step 4: Simplify right side
    171,860.15x = 13,796,316,064.31
  5. Step 5: Solve for x
    x = 13,796,316,064.31/171,860.15
  6. Step 6: Final answer
    x = 80,276.41

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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.