Home / 143,184.38-197,594.51-79,522.70

Finding the Fourth Proportional to 143,184.38, 197,594.51 and 79,522.70

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Solution

The fourth proportional to 143,184.38, 197,594.51 and 79,522.70 is: 109,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,184.38 : 197,594.51 = 79,522.70 : x
  2. Step 2: Convert to fraction form
    143,184.38/197,594.51 = 79,522.70/x
  3. Step 3: Cross multiply
    143,184.38x = 197,594.51 × 79,522.70
  4. Step 4: Simplify right side
    143,184.38x = 15,713,247,554.79
  5. Step 5: Solve for x
    x = 15,713,247,554.79/143,184.38
  6. Step 6: Final answer
    x = 109,741.36

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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.