Home / 171,037.40-256,556.10-115,050.20

Finding the Fourth Proportional to 171,037.40, 256,556.10 and 115,050.20

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Solution

The fourth proportional to 171,037.40, 256,556.10 and 115,050.20 is: 172,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,037.40 : 256,556.10 = 115,050.20 : x
  2. Step 2: Convert to fraction form
    171,037.40/256,556.10 = 115,050.20/x
  3. Step 3: Cross multiply
    171,037.40x = 256,556.10 × 115,050.20
  4. Step 4: Simplify right side
    171,037.40x = 29,516,830,616.22
  5. Step 5: Solve for x
    x = 29,516,830,616.22/171,037.40
  6. Step 6: Final answer
    x = 172,575.30

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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.