Home / 198,211.02-273,544.68-112,170.06

Finding the Fourth Proportional to 198,211.02, 273,544.68 and 112,170.06

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Solution

The fourth proportional to 198,211.02, 273,544.68 and 112,170.06 is: 154,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,211.02 : 273,544.68 = 112,170.06 : x
  2. Step 2: Convert to fraction form
    198,211.02/273,544.68 = 112,170.06/x
  3. Step 3: Cross multiply
    198,211.02x = 273,544.68 × 112,170.06
  4. Step 4: Simplify right side
    198,211.02x = 30,683,523,168.28
  5. Step 5: Solve for x
    x = 30,683,523,168.28/198,211.02
  6. Step 6: Final answer
    x = 154,802.31

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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.