Home / 151,683.54-209,321.79-83,701.14

Finding the Fourth Proportional to 151,683.54, 209,321.79 and 83,701.14

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Solution

The fourth proportional to 151,683.54, 209,321.79 and 83,701.14 is: 115,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,683.54 : 209,321.79 = 83,701.14 : x
  2. Step 2: Convert to fraction form
    151,683.54/209,321.79 = 83,701.14/x
  3. Step 3: Cross multiply
    151,683.54x = 209,321.79 × 83,701.14
  4. Step 4: Simplify right side
    151,683.54x = 17,520,472,449.84
  5. Step 5: Solve for x
    x = 17,520,472,449.84/151,683.54
  6. Step 6: Final answer
    x = 115,506.75

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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.