Home / 196,416.61-294,043.64-121,295.25

Finding the Fourth Proportional to 196,416.61, 294,043.64 and 121,295.25

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Solution

The fourth proportional to 196,416.61, 294,043.64 and 121,295.25 is: 181,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,416.61 : 294,043.64 = 121,295.25 : x
  2. Step 2: Convert to fraction form
    196,416.61/294,043.64 = 121,295.25/x
  3. Step 3: Cross multiply
    196,416.61x = 294,043.64 × 121,295.25
  4. Step 4: Simplify right side
    196,416.61x = 35,666,096,218.23
  5. Step 5: Solve for x
    x = 35,666,096,218.23/196,416.61
  6. Step 6: Final answer
    x = 181,583.91

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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.