Home / 143,019.74-197,403.52-97,716.03

Finding the Fourth Proportional to 143,019.74, 197,403.52 and 97,716.03

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Solution

The fourth proportional to 143,019.74, 197,403.52 and 97,716.03 is: 134,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,019.74 : 197,403.52 = 97,716.03 : x
  2. Step 2: Convert to fraction form
    143,019.74/197,403.52 = 97,716.03/x
  3. Step 3: Cross multiply
    143,019.74x = 197,403.52 × 97,716.03
  4. Step 4: Simplify right side
    143,019.74x = 19,289,488,282.43
  5. Step 5: Solve for x
    x = 19,289,488,282.43/143,019.74
  6. Step 6: Final answer
    x = 134,872.91

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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.