Home / 171,467.19-257,222.66-53,145.63

Finding the Fourth Proportional to 171,467.19, 257,222.66 and 53,145.63

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Solution

The fourth proportional to 171,467.19, 257,222.66 and 53,145.63 is: 79,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,467.19 : 257,222.66 = 53,145.63 : x
  2. Step 2: Convert to fraction form
    171,467.19/257,222.66 = 53,145.63/x
  3. Step 3: Cross multiply
    171,467.19x = 257,222.66 × 53,145.63
  4. Step 4: Simplify right side
    171,467.19x = 13,670,260,050.25
  5. Step 5: Solve for x
    x = 13,670,260,050.25/171,467.19
  6. Step 6: Final answer
    x = 79,725.22

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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.