Home / 125,181.72-187,641.36-46,245.60

Finding the Fourth Proportional to 125,181.72, 187,641.36 and 46,245.60

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Solution

The fourth proportional to 125,181.72, 187,641.36 and 46,245.60 is: 69,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,181.72 : 187,641.36 = 46,245.60 : x
  2. Step 2: Convert to fraction form
    125,181.72/187,641.36 = 46,245.60/x
  3. Step 3: Cross multiply
    125,181.72x = 187,641.36 × 46,245.60
  4. Step 4: Simplify right side
    125,181.72x = 8,677,587,278.02
  5. Step 5: Solve for x
    x = 8,677,587,278.02/125,181.72
  6. Step 6: Final answer
    x = 69,319.92

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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.