Home / 127,559.27-191,273.30-57,400.31

Finding the Fourth Proportional to 127,559.27, 191,273.30 and 57,400.31

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Solution

The fourth proportional to 127,559.27, 191,273.30 and 57,400.31 is: 86,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,559.27 : 191,273.30 = 57,400.31 : x
  2. Step 2: Convert to fraction form
    127,559.27/191,273.30 = 57,400.31/x
  3. Step 3: Cross multiply
    127,559.27x = 191,273.30 × 57,400.31
  4. Step 4: Simplify right side
    127,559.27x = 10,979,147,121.16
  5. Step 5: Solve for x
    x = 10,979,147,121.16/127,559.27
  6. Step 6: Final answer
    x = 86,070.94

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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.