Home / 110,776.98-166,204.35-69,175.38

Finding the Fourth Proportional to 110,776.98, 166,204.35 and 69,175.38

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Solution

The fourth proportional to 110,776.98, 166,204.35 and 69,175.38 is: 103,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,776.98 : 166,204.35 = 69,175.38 : x
  2. Step 2: Convert to fraction form
    110,776.98/166,204.35 = 69,175.38/x
  3. Step 3: Cross multiply
    110,776.98x = 166,204.35 × 69,175.38
  4. Step 4: Simplify right side
    110,776.98x = 11,497,249,068.90
  5. Step 5: Solve for x
    x = 11,497,249,068.90/110,776.98
  6. Step 6: Final answer
    x = 103,787.35

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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.