Home / 266,949.69-400,459.77-98,588.36

Finding the Fourth Proportional to 266,949.69, 400,459.77 and 98,588.36

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Solution

The fourth proportional to 266,949.69, 400,459.77 and 98,588.36 is: 147,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,949.69 : 400,459.77 = 98,588.36 : x
  2. Step 2: Convert to fraction form
    266,949.69/400,459.77 = 98,588.36/x
  3. Step 3: Cross multiply
    266,949.69x = 400,459.77 × 98,588.36
  4. Step 4: Simplify right side
    266,949.69x = 39,480,669,967.98
  5. Step 5: Solve for x
    x = 39,480,669,967.98/266,949.69
  6. Step 6: Final answer
    x = 147,895.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.