Home / 380,024.80-569,661.20-179,993.60

Finding the Fourth Proportional to 380,024.80, 569,661.20 and 179,993.60

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Solution

The fourth proportional to 380,024.80, 569,661.20 and 179,993.60 is: 269,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,024.80 : 569,661.20 = 179,993.60 : x
  2. Step 2: Convert to fraction form
    380,024.80/569,661.20 = 179,993.60/x
  3. Step 3: Cross multiply
    380,024.80x = 569,661.20 × 179,993.60
  4. Step 4: Simplify right side
    380,024.80x = 102,535,370,168.32
  5. Step 5: Solve for x
    x = 102,535,370,168.32/380,024.80
  6. Step 6: Final answer
    x = 269,812.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.