Home / 127,207.52-190,811.25-74,588.30

Finding the Fourth Proportional to 127,207.52, 190,811.25 and 74,588.30

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Solution

The fourth proportional to 127,207.52, 190,811.25 and 74,588.30 is: 111,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,207.52 : 190,811.25 = 74,588.30 : x
  2. Step 2: Convert to fraction form
    127,207.52/190,811.25 = 74,588.30/x
  3. Step 3: Cross multiply
    127,207.52x = 190,811.25 × 74,588.30
  4. Step 4: Simplify right side
    127,207.52x = 14,232,285,804.32
  5. Step 5: Solve for x
    x = 14,232,285,804.32/127,207.52
  6. Step 6: Final answer
    x = 111,882.43

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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.