Home / 380,112.20-570,095.40-113,881.40

Finding the Fourth Proportional to 380,112.20, 570,095.40 and 113,881.40

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Solution

The fourth proportional to 380,112.20, 570,095.40 and 113,881.40 is: 170,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,112.20 : 570,095.40 = 113,881.40 : x
  2. Step 2: Convert to fraction form
    380,112.20/570,095.40 = 113,881.40/x
  3. Step 3: Cross multiply
    380,112.20x = 570,095.40 × 113,881.40
  4. Step 4: Simplify right side
    380,112.20x = 64,923,262,285.56
  5. Step 5: Solve for x
    x = 64,923,262,285.56/380,112.20
  6. Step 6: Final answer
    x = 170,800.26

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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.