Home / 134,558.94-185,693.71-74,129.16

Finding the Fourth Proportional to 134,558.94, 185,693.71 and 74,129.16

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Solution

The fourth proportional to 134,558.94, 185,693.71 and 74,129.16 is: 102,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,558.94 : 185,693.71 = 74,129.16 : x
  2. Step 2: Convert to fraction form
    134,558.94/185,693.71 = 74,129.16/x
  3. Step 3: Cross multiply
    134,558.94x = 185,693.71 × 74,129.16
  4. Step 4: Simplify right side
    134,558.94x = 13,765,318,739.58
  5. Step 5: Solve for x
    x = 13,765,318,739.58/134,558.94
  6. Step 6: Final answer
    x = 102,299.55

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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.