Home / 266,861.36-368,208.39-159,410.36

Finding the Fourth Proportional to 266,861.36, 368,208.39 and 159,410.36

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Solution

The fourth proportional to 266,861.36, 368,208.39 and 159,410.36 is: 219,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,861.36 : 368,208.39 = 159,410.36 : x
  2. Step 2: Convert to fraction form
    266,861.36/368,208.39 = 159,410.36/x
  3. Step 3: Cross multiply
    266,861.36x = 368,208.39 × 159,410.36
  4. Step 4: Simplify right side
    266,861.36x = 58,696,232,004.92
  5. Step 5: Solve for x
    x = 58,696,232,004.92/266,861.36
  6. Step 6: Final answer
    x = 219,950.28

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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.