Home / 125,121.36-187,656.12-46,181.64

Finding the Fourth Proportional to 125,121.36, 187,656.12 and 46,181.64

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Solution

The fourth proportional to 125,121.36, 187,656.12 and 46,181.64 is: 69,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,121.36 : 187,656.12 = 46,181.64 : x
  2. Step 2: Convert to fraction form
    125,121.36/187,656.12 = 46,181.64/x
  3. Step 3: Cross multiply
    125,121.36x = 187,656.12 × 46,181.64
  4. Step 4: Simplify right side
    125,121.36x = 8,666,267,377.64
  5. Step 5: Solve for x
    x = 8,666,267,377.64/125,121.36
  6. Step 6: Final answer
    x = 69,262.89

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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.