Home / 146,001.25-201,482-78,933.25

Finding the Fourth Proportional to 146,001.25, 201,482 and 78,933.25

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Solution

The fourth proportional to 146,001.25, 201,482 and 78,933.25 is: 108,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,001.25 : 201,482 = 78,933.25 : x
  2. Step 2: Convert to fraction form
    146,001.25/201,482 = 78,933.25/x
  3. Step 3: Cross multiply
    146,001.25x = 201,482 × 78,933.25
  4. Step 4: Simplify right side
    146,001.25x = 15,903,629,076.50
  5. Step 5: Solve for x
    x = 15,903,629,076.50/146,001.25
  6. Step 6: Final answer
    x = 108,928.03

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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.