Home / 196,500.05-294,812.36-70,137.50

Finding the Fourth Proportional to 196,500.05, 294,812.36 and 70,137.50

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Solution

The fourth proportional to 196,500.05, 294,812.36 and 70,137.50 is: 105,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,500.05 : 294,812.36 = 70,137.50 : x
  2. Step 2: Convert to fraction form
    196,500.05/294,812.36 = 70,137.50/x
  3. Step 3: Cross multiply
    196,500.05x = 294,812.36 × 70,137.50
  4. Step 4: Simplify right side
    196,500.05x = 20,677,400,074.75
  5. Step 5: Solve for x
    x = 20,677,400,074.75/196,500.05
  6. Step 6: Final answer
    x = 105,228.47

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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.