Home / 212,778.08-293,620.40-117,279.52

Finding the Fourth Proportional to 212,778.08, 293,620.40 and 117,279.52

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Solution

The fourth proportional to 212,778.08, 293,620.40 and 117,279.52 is: 161,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,778.08 : 293,620.40 = 117,279.52 : x
  2. Step 2: Convert to fraction form
    212,778.08/293,620.40 = 117,279.52/x
  3. Step 3: Cross multiply
    212,778.08x = 293,620.40 × 117,279.52
  4. Step 4: Simplify right side
    212,778.08x = 34,435,659,574.21
  5. Step 5: Solve for x
    x = 34,435,659,574.21/212,778.08
  6. Step 6: Final answer
    x = 161,838.38

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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.