Home / 212,945.04-293,865.72-117,449.28

Finding the Fourth Proportional to 212,945.04, 293,865.72 and 117,449.28

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Solution

The fourth proportional to 212,945.04, 293,865.72 and 117,449.28 is: 162,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,945.04 : 293,865.72 = 117,449.28 : x
  2. Step 2: Convert to fraction form
    212,945.04/293,865.72 = 117,449.28/x
  3. Step 3: Cross multiply
    212,945.04x = 293,865.72 × 117,449.28
  4. Step 4: Simplify right side
    212,945.04x = 34,514,317,230.68
  5. Step 5: Solve for x
    x = 34,514,317,230.68/212,945.04
  6. Step 6: Final answer
    x = 162,080.87

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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.