Home / 135,150.04-186,492.78-74,710.96

Finding the Fourth Proportional to 135,150.04, 186,492.78 and 74,710.96

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Solution

The fourth proportional to 135,150.04, 186,492.78 and 74,710.96 is: 103,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,150.04 : 186,492.78 = 74,710.96 : x
  2. Step 2: Convert to fraction form
    135,150.04/186,492.78 = 74,710.96/x
  3. Step 3: Cross multiply
    135,150.04x = 186,492.78 × 74,710.96
  4. Step 4: Simplify right side
    135,150.04x = 13,933,054,626.87
  5. Step 5: Solve for x
    x = 13,933,054,626.87/135,150.04
  6. Step 6: Final answer
    x = 103,093.23

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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.