Home / 238,239.44-357,283.32-78,278.24

Finding the Fourth Proportional to 238,239.44, 357,283.32 and 78,278.24

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Solution

The fourth proportional to 238,239.44, 357,283.32 and 78,278.24 is: 117,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,239.44 : 357,283.32 = 78,278.24 : x
  2. Step 2: Convert to fraction form
    238,239.44/357,283.32 = 78,278.24/x
  3. Step 3: Cross multiply
    238,239.44x = 357,283.32 × 78,278.24
  4. Step 4: Simplify right side
    238,239.44x = 27,967,509,470.96
  5. Step 5: Solve for x
    x = 27,967,509,470.96/238,239.44
  6. Step 6: Final answer
    x = 117,392.44

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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.