Home / 212,879.06-293,766.81-117,385.73

Finding the Fourth Proportional to 212,879.06, 293,766.81 and 117,385.73

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Solution

The fourth proportional to 212,879.06, 293,766.81 and 117,385.73 is: 161,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,879.06 : 293,766.81 = 117,385.73 : x
  2. Step 2: Convert to fraction form
    212,879.06/293,766.81 = 117,385.73/x
  3. Step 3: Cross multiply
    212,879.06x = 293,766.81 × 117,385.73
  4. Step 4: Simplify right side
    212,879.06x = 34,484,031,441.62
  5. Step 5: Solve for x
    x = 34,484,031,441.62/212,879.06
  6. Step 6: Final answer
    x = 161,988.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.