Home / 212,874.50-293,751.79-117,379.15

Finding the Fourth Proportional to 212,874.50, 293,751.79 and 117,379.15

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Solution

The fourth proportional to 212,874.50, 293,751.79 and 117,379.15 is: 161,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,874.50 : 293,751.79 = 117,379.15 : x
  2. Step 2: Convert to fraction form
    212,874.50/293,751.79 = 117,379.15/x
  3. Step 3: Cross multiply
    212,874.50x = 293,751.79 × 117,379.15
  4. Step 4: Simplify right side
    212,874.50x = 34,480,335,421.18
  5. Step 5: Solve for x
    x = 34,480,335,421.18/212,874.50
  6. Step 6: Final answer
    x = 161,974.94

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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.