Home / 151,879.04-209,591.73-83,900.75

Finding the Fourth Proportional to 151,879.04, 209,591.73 and 83,900.75

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Solution

The fourth proportional to 151,879.04, 209,591.73 and 83,900.75 is: 115,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,879.04 : 209,591.73 = 83,900.75 : x
  2. Step 2: Convert to fraction form
    151,879.04/209,591.73 = 83,900.75/x
  3. Step 3: Cross multiply
    151,879.04x = 209,591.73 × 83,900.75
  4. Step 4: Simplify right side
    151,879.04x = 17,584,902,292.84
  5. Step 5: Solve for x
    x = 17,584,902,292.84/151,879.04
  6. Step 6: Final answer
    x = 115,782.29

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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.