Home / 160,683.42-221,717.07-100,244.46

Finding the Fourth Proportional to 160,683.42, 221,717.07 and 100,244.46

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Solution

The fourth proportional to 160,683.42, 221,717.07 and 100,244.46 is: 138,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,683.42 : 221,717.07 = 100,244.46 : x
  2. Step 2: Convert to fraction form
    160,683.42/221,717.07 = 100,244.46/x
  3. Step 3: Cross multiply
    160,683.42x = 221,717.07 × 100,244.46
  4. Step 4: Simplify right side
    160,683.42x = 22,225,907,954.93
  5. Step 5: Solve for x
    x = 22,225,907,954.93/160,683.42
  6. Step 6: Final answer
    x = 138,321.10

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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.