Home / 216,350.76-298,570.14-120,867.96

Finding the Fourth Proportional to 216,350.76, 298,570.14 and 120,867.96

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Solution

The fourth proportional to 216,350.76, 298,570.14 and 120,867.96 is: 166,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,350.76 : 298,570.14 = 120,867.96 : x
  2. Step 2: Convert to fraction form
    216,350.76/298,570.14 = 120,867.96/x
  3. Step 3: Cross multiply
    216,350.76x = 298,570.14 × 120,867.96
  4. Step 4: Simplify right side
    216,350.76x = 36,087,563,738.71
  5. Step 5: Solve for x
    x = 36,087,563,738.71/216,350.76
  6. Step 6: Final answer
    x = 166,801.19

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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.