Home / 380,853.60-571,282.44-114,612.30

Finding the Fourth Proportional to 380,853.60, 571,282.44 and 114,612.30

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Solution

The fourth proportional to 380,853.60, 571,282.44 and 114,612.30 is: 171,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,853.60 : 571,282.44 = 114,612.30 : x
  2. Step 2: Convert to fraction form
    380,853.60/571,282.44 = 114,612.30/x
  3. Step 3: Cross multiply
    380,853.60x = 571,282.44 × 114,612.30
  4. Step 4: Simplify right side
    380,853.60x = 65,475,993,968.22
  5. Step 5: Solve for x
    x = 65,475,993,968.22/380,853.60
  6. Step 6: Final answer
    x = 171,919.06

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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.