Home / 151,649.73-209,275.19-83,667.26

Finding the Fourth Proportional to 151,649.73, 209,275.19 and 83,667.26

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Solution

The fourth proportional to 151,649.73, 209,275.19 and 83,667.26 is: 115,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,649.73 : 209,275.19 = 83,667.26 : x
  2. Step 2: Convert to fraction form
    151,649.73/209,275.19 = 83,667.26/x
  3. Step 3: Cross multiply
    151,649.73x = 209,275.19 × 83,667.26
  4. Step 4: Simplify right side
    151,649.73x = 17,509,480,268.57
  5. Step 5: Solve for x
    x = 17,509,480,268.57/151,649.73
  6. Step 6: Final answer
    x = 115,460.02

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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.