Home / 127,391.40-191,091.48-57,270.96

Finding the Fourth Proportional to 127,391.40, 191,091.48 and 57,270.96

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Solution

The fourth proportional to 127,391.40, 191,091.48 and 57,270.96 is: 85,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,391.40 : 191,091.48 = 57,270.96 : x
  2. Step 2: Convert to fraction form
    127,391.40/191,091.48 = 57,270.96/x
  3. Step 3: Cross multiply
    127,391.40x = 191,091.48 × 57,270.96
  4. Step 4: Simplify right side
    127,391.40x = 10,943,992,507.42
  5. Step 5: Solve for x
    x = 10,943,992,507.42/127,391.40
  6. Step 6: Final answer
    x = 85,908.41

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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.