Home / 248,105.94-342,442.08-151,342.58

Finding the Fourth Proportional to 248,105.94, 342,442.08 and 151,342.58

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Solution

The fourth proportional to 248,105.94, 342,442.08 and 151,342.58 is: 208,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,105.94 : 342,442.08 = 151,342.58 : x
  2. Step 2: Convert to fraction form
    248,105.94/342,442.08 = 151,342.58/x
  3. Step 3: Cross multiply
    248,105.94x = 342,442.08 × 151,342.58
  4. Step 4: Simplify right side
    248,105.94x = 51,826,066,817.63
  5. Step 5: Solve for x
    x = 51,826,066,817.63/248,105.94
  6. Step 6: Final answer
    x = 208,886.85

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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.