Home / 127,396.08-191,094.12-57,193.38

Finding the Fourth Proportional to 127,396.08, 191,094.12 and 57,193.38

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Solution

The fourth proportional to 127,396.08, 191,094.12 and 57,193.38 is: 85,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396.08 : 191,094.12 = 57,193.38 : x
  2. Step 2: Convert to fraction form
    127,396.08/191,094.12 = 57,193.38/x
  3. Step 3: Cross multiply
    127,396.08x = 191,094.12 × 57,193.38
  4. Step 4: Simplify right side
    127,396.08x = 10,929,318,620.93
  5. Step 5: Solve for x
    x = 10,929,318,620.93/127,396.08
  6. Step 6: Final answer
    x = 85,790.07

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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.