Home / 196,528.34-294,789.78-112,108.32

Finding the Fourth Proportional to 196,528.34, 294,789.78 and 112,108.32

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Solution

The fourth proportional to 196,528.34, 294,789.78 and 112,108.32 is: 168,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,528.34 : 294,789.78 = 112,108.32 : x
  2. Step 2: Convert to fraction form
    196,528.34/294,789.78 = 112,108.32/x
  3. Step 3: Cross multiply
    196,528.34x = 294,789.78 × 112,108.32
  4. Step 4: Simplify right side
    196,528.34x = 33,048,386,988.97
  5. Step 5: Solve for x
    x = 33,048,386,988.97/196,528.34
  6. Step 6: Final answer
    x = 168,160.92

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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.