Home / 134,697.40-185,883.87-74,268.16

Finding the Fourth Proportional to 134,697.40, 185,883.87 and 74,268.16

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Solution

The fourth proportional to 134,697.40, 185,883.87 and 74,268.16 is: 102,490.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,697.40 : 185,883.87 = 74,268.16 : x
  2. Step 2: Convert to fraction form
    134,697.40/185,883.87 = 74,268.16/x
  3. Step 3: Cross multiply
    134,697.40x = 185,883.87 × 74,268.16
  4. Step 4: Simplify right side
    134,697.40x = 13,805,252,998.58
  5. Step 5: Solve for x
    x = 13,805,252,998.58/134,697.40
  6. Step 6: Final answer
    x = 102,490.86

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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.