Home / 143,241.84-197,673.66-79,585.56

Finding the Fourth Proportional to 143,241.84, 197,673.66 and 79,585.56

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Solution

The fourth proportional to 143,241.84, 197,673.66 and 79,585.56 is: 109,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,241.84 : 197,673.66 = 79,585.56 : x
  2. Step 2: Convert to fraction form
    143,241.84/197,673.66 = 79,585.56/x
  3. Step 3: Cross multiply
    143,241.84x = 197,673.66 × 79,585.56
  4. Step 4: Simplify right side
    143,241.84x = 15,731,968,928.35
  5. Step 5: Solve for x
    x = 15,731,968,928.35/143,241.84
  6. Step 6: Final answer
    x = 109,828.03

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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.