Home / 135,184.64-186,551.46-74,753.69

Finding the Fourth Proportional to 135,184.64, 186,551.46 and 74,753.69

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Solution

The fourth proportional to 135,184.64, 186,551.46 and 74,753.69 is: 103,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,184.64 : 186,551.46 = 74,753.69 : x
  2. Step 2: Convert to fraction form
    135,184.64/186,551.46 = 74,753.69/x
  3. Step 3: Cross multiply
    135,184.64x = 186,551.46 × 74,753.69
  4. Step 4: Simplify right side
    135,184.64x = 13,945,409,077.13
  5. Step 5: Solve for x
    x = 13,945,409,077.13/135,184.64
  6. Step 6: Final answer
    x = 103,158.24

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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.