Home / 266,855.31-400,172.27-98,385.21

Finding the Fourth Proportional to 266,855.31, 400,172.27 and 98,385.21

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Solution

The fourth proportional to 266,855.31, 400,172.27 and 98,385.21 is: 147,537.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,855.31 : 400,172.27 = 98,385.21 : x
  2. Step 2: Convert to fraction form
    266,855.31/400,172.27 = 98,385.21/x
  3. Step 3: Cross multiply
    266,855.31x = 400,172.27 × 98,385.21
  4. Step 4: Simplify right side
    266,855.31x = 39,371,032,328.20
  5. Step 5: Solve for x
    x = 39,371,032,328.20/266,855.31
  6. Step 6: Final answer
    x = 147,537.00

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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.