Home / 196,346.09-294,624.84-78,018.50

Finding the Fourth Proportional to 196,346.09, 294,624.84 and 78,018.50

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Solution

The fourth proportional to 196,346.09, 294,624.84 and 78,018.50 is: 117,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,346.09 : 294,624.84 = 78,018.50 : x
  2. Step 2: Convert to fraction form
    196,346.09/294,624.84 = 78,018.50/x
  3. Step 3: Cross multiply
    196,346.09x = 294,624.84 × 78,018.50
  4. Step 4: Simplify right side
    196,346.09x = 22,986,188,079.54
  5. Step 5: Solve for x
    x = 22,986,188,079.54/196,346.09
  6. Step 6: Final answer
    x = 117,069.75

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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.