Home / 151,952.05-209,706.45-83,982.30

Finding the Fourth Proportional to 151,952.05, 209,706.45 and 83,982.30

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Solution

The fourth proportional to 151,952.05, 209,706.45 and 83,982.30 is: 115,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,952.05 : 209,706.45 = 83,982.30 : x
  2. Step 2: Convert to fraction form
    151,952.05/209,706.45 = 83,982.30/x
  3. Step 3: Cross multiply
    151,952.05x = 209,706.45 × 83,982.30
  4. Step 4: Simplify right side
    151,952.05x = 17,611,629,995.84
  5. Step 5: Solve for x
    x = 17,611,629,995.84/151,952.05
  6. Step 6: Final answer
    x = 115,902.55

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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.