Home / 227,975.45-314,585.52-131,153.51

Finding the Fourth Proportional to 227,975.45, 314,585.52 and 131,153.51

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Solution

The fourth proportional to 227,975.45, 314,585.52 and 131,153.51 is: 180,979.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,975.45 : 314,585.52 = 131,153.51 : x
  2. Step 2: Convert to fraction form
    227,975.45/314,585.52 = 131,153.51/x
  3. Step 3: Cross multiply
    227,975.45x = 314,585.52 × 131,153.51
  4. Step 4: Simplify right side
    227,975.45x = 41,258,993,570.25
  5. Step 5: Solve for x
    x = 41,258,993,570.25/227,975.45
  6. Step 6: Final answer
    x = 180,979.99

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1.5x scale

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.