Home / 197,705.10-296,496.32-71,328.92

Finding the Fourth Proportional to 197,705.10, 296,496.32 and 71,328.92

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Solution

The fourth proportional to 197,705.10, 296,496.32 and 71,328.92 is: 106,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,705.10 : 296,496.32 = 71,328.92 : x
  2. Step 2: Convert to fraction form
    197,705.10/296,496.32 = 71,328.92/x
  3. Step 3: Cross multiply
    197,705.10x = 296,496.32 × 71,328.92
  4. Step 4: Simplify right side
    197,705.10x = 21,148,762,289.57
  5. Step 5: Solve for x
    x = 21,148,762,289.57/197,705.10
  6. Step 6: Final answer
    x = 106,971.25

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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.