Home / 192,686.31-265,907.34-107,803.44

Finding the Fourth Proportional to 192,686.31, 265,907.34 and 107,803.44

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Solution

The fourth proportional to 192,686.31, 265,907.34 and 107,803.44 is: 148,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,686.31 : 265,907.34 = 107,803.44 : x
  2. Step 2: Convert to fraction form
    192,686.31/265,907.34 = 107,803.44/x
  3. Step 3: Cross multiply
    192,686.31x = 265,907.34 × 107,803.44
  4. Step 4: Simplify right side
    192,686.31x = 28,665,725,973.25
  5. Step 5: Solve for x
    x = 28,665,725,973.25/192,686.31
  6. Step 6: Final answer
    x = 148,768.88

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1.5x scale

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.