Home / 213,129.98-294,118.80-117,636.02

Finding the Fourth Proportional to 213,129.98, 294,118.80 and 117,636.02

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Solution

The fourth proportional to 213,129.98, 294,118.80 and 117,636.02 is: 162,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,129.98 : 294,118.80 = 117,636.02 : x
  2. Step 2: Convert to fraction form
    213,129.98/294,118.80 = 117,636.02/x
  3. Step 3: Cross multiply
    213,129.98x = 294,118.80 × 117,636.02
  4. Step 4: Simplify right side
    213,129.98x = 34,598,963,568.58
  5. Step 5: Solve for x
    x = 34,598,963,568.58/213,129.98
  6. Step 6: Final answer
    x = 162,337.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.