Home / 143,151.29-197,616.12-82,710.26

Finding the Fourth Proportional to 143,151.29, 197,616.12 and 82,710.26

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Solution

The fourth proportional to 143,151.29, 197,616.12 and 82,710.26 is: 114,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,151.29 : 197,616.12 = 82,710.26 : x
  2. Step 2: Convert to fraction form
    143,151.29/197,616.12 = 82,710.26/x
  3. Step 3: Cross multiply
    143,151.29x = 197,616.12 × 82,710.26
  4. Step 4: Simplify right side
    143,151.29x = 16,344,880,085.57
  5. Step 5: Solve for x
    x = 16,344,880,085.57/143,151.29
  6. Step 6: Final answer
    x = 114,179.06

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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.