Home / 127,326.33-190,923.80-57,145.59

Finding the Fourth Proportional to 127,326.33, 190,923.80 and 57,145.59

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Solution

The fourth proportional to 127,326.33, 190,923.80 and 57,145.59 is: 85,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,326.33 : 190,923.80 = 57,145.59 : x
  2. Step 2: Convert to fraction form
    127,326.33/190,923.80 = 57,145.59/x
  3. Step 3: Cross multiply
    127,326.33x = 190,923.80 × 57,145.59
  4. Step 4: Simplify right side
    127,326.33x = 10,910,452,910.31
  5. Step 5: Solve for x
    x = 10,910,452,910.31/127,326.33
  6. Step 6: Final answer
    x = 85,688.90

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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.