Home / 209,768.04-316,233.32-196,237.80

Finding the Fourth Proportional to 209,768.04, 316,233.32 and 196,237.80

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Solution

The fourth proportional to 209,768.04, 316,233.32 and 196,237.80 is: 295,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,768.04 : 316,233.32 = 196,237.80 : x
  2. Step 2: Convert to fraction form
    209,768.04/316,233.32 = 196,237.80/x
  3. Step 3: Cross multiply
    209,768.04x = 316,233.32 × 196,237.80
  4. Step 4: Simplify right side
    209,768.04x = 62,056,931,003.50
  5. Step 5: Solve for x
    x = 62,056,931,003.50/209,768.04
  6. Step 6: Final answer
    x = 295,835.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.