Home / 212,921.48-293,833.50-117,431.48

Finding the Fourth Proportional to 212,921.48, 293,833.50 and 117,431.48

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Solution

The fourth proportional to 212,921.48, 293,833.50 and 117,431.48 is: 162,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,921.48 : 293,833.50 = 117,431.48 : x
  2. Step 2: Convert to fraction form
    212,921.48/293,833.50 = 117,431.48/x
  3. Step 3: Cross multiply
    212,921.48x = 293,833.50 × 117,431.48
  4. Step 4: Simplify right side
    212,921.48x = 34,505,302,778.58
  5. Step 5: Solve for x
    x = 34,505,302,778.58/212,921.48
  6. Step 6: Final answer
    x = 162,056.47

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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.