Home / 179,199.34-268,622.79-85,683.22

Finding the Fourth Proportional to 179,199.34, 268,622.79 and 85,683.22

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Solution

The fourth proportional to 179,199.34, 268,622.79 and 85,683.22 is: 128,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,199.34 : 268,622.79 = 85,683.22 : x
  2. Step 2: Convert to fraction form
    179,199.34/268,622.79 = 85,683.22/x
  3. Step 3: Cross multiply
    179,199.34x = 268,622.79 × 85,683.22
  4. Step 4: Simplify right side
    179,199.34x = 23,016,465,612.58
  5. Step 5: Solve for x
    x = 23,016,465,612.58/179,199.34
  6. Step 6: Final answer
    x = 128,440.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.