Home / 127,035.33-174,868.66-109,799.80

Finding the Fourth Proportional to 127,035.33, 174,868.66 and 109,799.80

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Solution

The fourth proportional to 127,035.33, 174,868.66 and 109,799.80 is: 151,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,035.33 : 174,868.66 = 109,799.80 : x
  2. Step 2: Convert to fraction form
    127,035.33/174,868.66 = 109,799.80/x
  3. Step 3: Cross multiply
    127,035.33x = 174,868.66 × 109,799.80
  4. Step 4: Simplify right side
    127,035.33x = 19,200,543,182.60
  5. Step 5: Solve for x
    x = 19,200,543,182.60/127,035.33
  6. Step 6: Final answer
    x = 151,143.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.