Home / 212,810.45-293,676.49-117,317.15

Finding the Fourth Proportional to 212,810.45, 293,676.49 and 117,317.15

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Solution

The fourth proportional to 212,810.45, 293,676.49 and 117,317.15 is: 161,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,810.45 : 293,676.49 = 117,317.15 : x
  2. Step 2: Convert to fraction form
    212,810.45/293,676.49 = 117,317.15/x
  3. Step 3: Cross multiply
    212,810.45x = 293,676.49 × 117,317.15
  4. Step 4: Simplify right side
    212,810.45x = 34,453,288,828.80
  5. Step 5: Solve for x
    x = 34,453,288,828.80/212,810.45
  6. Step 6: Final answer
    x = 161,896.60

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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.