Home / 143,939.04-198,716.18-101,050.14

Finding the Fourth Proportional to 143,939.04, 198,716.18 and 101,050.14

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Solution

The fourth proportional to 143,939.04, 198,716.18 and 101,050.14 is: 139,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,939.04 : 198,716.18 = 101,050.14 : x
  2. Step 2: Convert to fraction form
    143,939.04/198,716.18 = 101,050.14/x
  3. Step 3: Cross multiply
    143,939.04x = 198,716.18 × 101,050.14
  4. Step 4: Simplify right side
    143,939.04x = 20,080,297,304.01
  5. Step 5: Solve for x
    x = 20,080,297,304.01/143,939.04
  6. Step 6: Final answer
    x = 139,505.57

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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.