Home / 196,116.12-294,271.38-77,784.84

Finding the Fourth Proportional to 196,116.12, 294,271.38 and 77,784.84

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Solution

The fourth proportional to 196,116.12, 294,271.38 and 77,784.84 is: 116,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,116.12 : 294,271.38 = 77,784.84 : x
  2. Step 2: Convert to fraction form
    196,116.12/294,271.38 = 77,784.84/x
  3. Step 3: Cross multiply
    196,116.12x = 294,271.38 × 77,784.84
  4. Step 4: Simplify right side
    196,116.12x = 22,889,852,209.88
  5. Step 5: Solve for x
    x = 22,889,852,209.88/196,116.12
  6. Step 6: Final answer
    x = 116,715.81

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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.