Home / 216,343.76-298,554.39-120,850.47

Finding the Fourth Proportional to 216,343.76, 298,554.39 and 120,850.47

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Solution

The fourth proportional to 216,343.76, 298,554.39 and 120,850.47 is: 166,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,343.76 : 298,554.39 = 120,850.47 : x
  2. Step 2: Convert to fraction form
    216,343.76/298,554.39 = 120,850.47/x
  3. Step 3: Cross multiply
    216,343.76x = 298,554.39 × 120,850.47
  4. Step 4: Simplify right side
    216,343.76x = 36,080,438,352.06
  5. Step 5: Solve for x
    x = 36,080,438,352.06/216,343.76
  6. Step 6: Final answer
    x = 166,773.65

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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.