Home / 125,293.20-188,328.60-122,960.40

Finding the Fourth Proportional to 125,293.20, 188,328.60 and 122,960.40

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Solution

The fourth proportional to 125,293.20, 188,328.60 and 122,960.40 is: 184,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,293.20 : 188,328.60 = 122,960.40 : x
  2. Step 2: Convert to fraction form
    125,293.20/188,328.60 = 122,960.40/x
  3. Step 3: Cross multiply
    125,293.20x = 188,328.60 × 122,960.40
  4. Step 4: Simplify right side
    125,293.20x = 23,156,959,987.44
  5. Step 5: Solve for x
    x = 23,156,959,987.44/125,293.20
  6. Step 6: Final answer
    x = 184,822.16

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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.