Home / 210,976.48-316,366.32-122,255.44

Finding the Fourth Proportional to 210,976.48, 316,366.32 and 122,255.44

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Solution

The fourth proportional to 210,976.48, 316,366.32 and 122,255.44 is: 183,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,976.48 : 316,366.32 = 122,255.44 : x
  2. Step 2: Convert to fraction form
    210,976.48/316,366.32 = 122,255.44/x
  3. Step 3: Cross multiply
    210,976.48x = 316,366.32 × 122,255.44
  4. Step 4: Simplify right side
    210,976.48x = 38,677,503,652.78
  5. Step 5: Solve for x
    x = 38,677,503,652.78/210,976.48
  6. Step 6: Final answer
    x = 183,326.14

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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.