Home / 196,117.66-294,161.82-69,752.80

Finding the Fourth Proportional to 196,117.66, 294,161.82 and 69,752.80

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Solution

The fourth proportional to 196,117.66, 294,161.82 and 69,752.80 is: 104,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,117.66 : 294,161.82 = 69,752.80 : x
  2. Step 2: Convert to fraction form
    196,117.66/294,161.82 = 69,752.80/x
  3. Step 3: Cross multiply
    196,117.66x = 294,161.82 × 69,752.80
  4. Step 4: Simplify right side
    196,117.66x = 20,518,610,598.10
  5. Step 5: Solve for x
    x = 20,518,610,598.10/196,117.66
  6. Step 6: Final answer
    x = 104,623.98

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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.