Home / 199,152.24-274,826.88-108,509.40

Finding the Fourth Proportional to 199,152.24, 274,826.88 and 108,509.40

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Solution

The fourth proportional to 199,152.24, 274,826.88 and 108,509.40 is: 149,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,152.24 : 274,826.88 = 108,509.40 : x
  2. Step 2: Convert to fraction form
    199,152.24/274,826.88 = 108,509.40/x
  3. Step 3: Cross multiply
    199,152.24x = 274,826.88 × 108,509.40
  4. Step 4: Simplify right side
    199,152.24x = 29,821,299,852.67
  5. Step 5: Solve for x
    x = 29,821,299,852.67/199,152.24
  6. Step 6: Final answer
    x = 149,741.22

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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.