Home / 151,778.27-209,457.08-83,794.97

Finding the Fourth Proportional to 151,778.27, 209,457.08 and 83,794.97

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Solution

The fourth proportional to 151,778.27, 209,457.08 and 83,794.97 is: 115,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,778.27 : 209,457.08 = 83,794.97 : x
  2. Step 2: Convert to fraction form
    151,778.27/209,457.08 = 83,794.97/x
  3. Step 3: Cross multiply
    151,778.27x = 209,457.08 × 83,794.97
  4. Step 4: Simplify right side
    151,778.27x = 17,551,448,268.63
  5. Step 5: Solve for x
    x = 17,551,448,268.63/151,778.27
  6. Step 6: Final answer
    x = 115,638.75

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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.