Home / 143,307.27-214,633.08-68,480.01

Finding the Fourth Proportional to 143,307.27, 214,633.08 and 68,480.01

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Solution

The fourth proportional to 143,307.27, 214,633.08 and 68,480.01 is: 102,563.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,307.27 : 214,633.08 = 68,480.01 : x
  2. Step 2: Convert to fraction form
    143,307.27/214,633.08 = 68,480.01/x
  3. Step 3: Cross multiply
    143,307.27x = 214,633.08 × 68,480.01
  4. Step 4: Simplify right side
    143,307.27x = 14,698,075,464.73
  5. Step 5: Solve for x
    x = 14,698,075,464.73/143,307.27
  6. Step 6: Final answer
    x = 102,563.36

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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.