Home / 196,016.40-294,178.20-90,848.40

Finding the Fourth Proportional to 196,016.40, 294,178.20 and 90,848.40

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Solution

The fourth proportional to 196,016.40, 294,178.20 and 90,848.40 is: 136,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,016.40 : 294,178.20 = 90,848.40 : x
  2. Step 2: Convert to fraction form
    196,016.40/294,178.20 = 90,848.40/x
  3. Step 3: Cross multiply
    196,016.40x = 294,178.20 × 90,848.40
  4. Step 4: Simplify right side
    196,016.40x = 26,725,618,784.88
  5. Step 5: Solve for x
    x = 26,725,618,784.88/196,016.40
  6. Step 6: Final answer
    x = 136,343.79

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1.5x scale

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.