Home / 127,020.50-190,573.44-89,109.26

Finding the Fourth Proportional to 127,020.50, 190,573.44 and 89,109.26

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Solution

The fourth proportional to 127,020.50, 190,573.44 and 89,109.26 is: 133,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,020.50 : 190,573.44 = 89,109.26 : x
  2. Step 2: Convert to fraction form
    127,020.50/190,573.44 = 89,109.26/x
  3. Step 3: Cross multiply
    127,020.50x = 190,573.44 × 89,109.26
  4. Step 4: Simplify right side
    127,020.50x = 16,981,858,214.05
  5. Step 5: Solve for x
    x = 16,981,858,214.05/127,020.50
  6. Step 6: Final answer
    x = 133,693.84

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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.