Home / 143,696.08-198,346.55-92,710.24

Finding the Fourth Proportional to 143,696.08, 198,346.55 and 92,710.24

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Solution

The fourth proportional to 143,696.08, 198,346.55 and 92,710.24 is: 127,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,696.08 : 198,346.55 = 92,710.24 : x
  2. Step 2: Convert to fraction form
    143,696.08/198,346.55 = 92,710.24/x
  3. Step 3: Cross multiply
    143,696.08x = 198,346.55 × 92,710.24
  4. Step 4: Simplify right side
    143,696.08x = 18,388,756,253.67
  5. Step 5: Solve for x
    x = 18,388,756,253.67/143,696.08
  6. Step 6: Final answer
    x = 127,969.78

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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.