Home / 160,351.26-221,138.55-137,683.14

Finding the Fourth Proportional to 160,351.26, 221,138.55 and 137,683.14

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Solution

The fourth proportional to 160,351.26, 221,138.55 and 137,683.14 is: 189,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,351.26 : 221,138.55 = 137,683.14 : x
  2. Step 2: Convert to fraction form
    160,351.26/221,138.55 = 137,683.14/x
  3. Step 3: Cross multiply
    160,351.26x = 221,138.55 × 137,683.14
  4. Step 4: Simplify right side
    160,351.26x = 30,447,049,939.05
  5. Step 5: Solve for x
    x = 30,447,049,939.05/160,351.26
  6. Step 6: Final answer
    x = 189,877.21

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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.