Home / 135,280.48-186,692.56-74,850.14

Finding the Fourth Proportional to 135,280.48, 186,692.56 and 74,850.14

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Solution

The fourth proportional to 135,280.48, 186,692.56 and 74,850.14 is: 103,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,280.48 : 186,692.56 = 74,850.14 : x
  2. Step 2: Convert to fraction form
    135,280.48/186,692.56 = 74,850.14/x
  3. Step 3: Cross multiply
    135,280.48x = 186,692.56 × 74,850.14
  4. Step 4: Simplify right side
    135,280.48x = 13,973,964,252.96
  5. Step 5: Solve for x
    x = 13,973,964,252.96/135,280.48
  6. Step 6: Final answer
    x = 103,296.23

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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.