Home / 134,843.86-186,096.45-74,427.58

Finding the Fourth Proportional to 134,843.86, 186,096.45 and 74,427.58

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Solution

The fourth proportional to 134,843.86, 186,096.45 and 74,427.58 is: 102,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,843.86 : 186,096.45 = 74,427.58 : x
  2. Step 2: Convert to fraction form
    134,843.86/186,096.45 = 74,427.58/x
  3. Step 3: Cross multiply
    134,843.86x = 186,096.45 × 74,427.58
  4. Step 4: Simplify right side
    134,843.86x = 13,850,708,420.09
  5. Step 5: Solve for x
    x = 13,850,708,420.09/134,843.86
  6. Step 6: Final answer
    x = 102,716.64

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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.