Home / 196,585.07-294,820.47-76,615.31

Finding the Fourth Proportional to 196,585.07, 294,820.47 and 76,615.31

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Solution

The fourth proportional to 196,585.07, 294,820.47 and 76,615.31 is: 114,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,585.07 : 294,820.47 = 76,615.31 : x
  2. Step 2: Convert to fraction form
    196,585.07/294,820.47 = 76,615.31/x
  3. Step 3: Cross multiply
    196,585.07x = 294,820.47 × 76,615.31
  4. Step 4: Simplify right side
    196,585.07x = 22,587,762,440.45
  5. Step 5: Solve for x
    x = 22,587,762,440.45/196,585.07
  6. Step 6: Final answer
    x = 114,900.70

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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.