Home / 196,319.56-294,576.92-77,988.28

Finding the Fourth Proportional to 196,319.56, 294,576.92 and 77,988.28

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Solution

The fourth proportional to 196,319.56, 294,576.92 and 77,988.28 is: 117,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,319.56 : 294,576.92 = 77,988.28 : x
  2. Step 2: Convert to fraction form
    196,319.56/294,576.92 = 77,988.28/x
  3. Step 3: Cross multiply
    196,319.56x = 294,576.92 × 77,988.28
  4. Step 4: Simplify right side
    196,319.56x = 22,973,547,318.50
  5. Step 5: Solve for x
    x = 22,973,547,318.50/196,319.56
  6. Step 6: Final answer
    x = 117,021.18

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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.