Home / 212,201.60-318,301.34-52,277.22

Finding the Fourth Proportional to 212,201.60, 318,301.34 and 52,277.22

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Solution

The fourth proportional to 212,201.60, 318,301.34 and 52,277.22 is: 78,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,201.60 : 318,301.34 = 52,277.22 : x
  2. Step 2: Convert to fraction form
    212,201.60/318,301.34 = 52,277.22/x
  3. Step 3: Cross multiply
    212,201.60x = 318,301.34 × 52,277.22
  4. Step 4: Simplify right side
    212,201.60x = 16,639,909,177.47
  5. Step 5: Solve for x
    x = 16,639,909,177.47/212,201.60
  6. Step 6: Final answer
    x = 78,415.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.