Home / 209,538.24-289,161.95-114,045.72

Finding the Fourth Proportional to 209,538.24, 289,161.95 and 114,045.72

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Solution

The fourth proportional to 209,538.24, 289,161.95 and 114,045.72 is: 157,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,538.24 : 289,161.95 = 114,045.72 : x
  2. Step 2: Convert to fraction form
    209,538.24/289,161.95 = 114,045.72/x
  3. Step 3: Cross multiply
    209,538.24x = 289,161.95 × 114,045.72
  4. Step 4: Simplify right side
    209,538.24x = 32,977,682,214.13
  5. Step 5: Solve for x
    x = 32,977,682,214.13/209,538.24
  6. Step 6: Final answer
    x = 157,382.64

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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.