Home / 196,270.40-294,261.60-77,883.20

Finding the Fourth Proportional to 196,270.40, 294,261.60 and 77,883.20

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Solution

The fourth proportional to 196,270.40, 294,261.60 and 77,883.20 is: 116,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,270.40 : 294,261.60 = 77,883.20 : x
  2. Step 2: Convert to fraction form
    196,270.40/294,261.60 = 77,883.20/x
  3. Step 3: Cross multiply
    196,270.40x = 294,261.60 × 77,883.20
  4. Step 4: Simplify right side
    196,270.40x = 22,918,035,045.12
  5. Step 5: Solve for x
    x = 22,918,035,045.12/196,270.40
  6. Step 6: Final answer
    x = 116,767.66

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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.