Home / 199,319.16-298,640.43-120,267.30

Finding the Fourth Proportional to 199,319.16, 298,640.43 and 120,267.30

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Solution

The fourth proportional to 199,319.16, 298,640.43 and 120,267.30 is: 180,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,319.16 : 298,640.43 = 120,267.30 : x
  2. Step 2: Convert to fraction form
    199,319.16/298,640.43 = 120,267.30/x
  3. Step 3: Cross multiply
    199,319.16x = 298,640.43 × 120,267.30
  4. Step 4: Simplify right side
    199,319.16x = 35,916,678,186.94
  5. Step 5: Solve for x
    x = 35,916,678,186.94/199,319.16
  6. Step 6: Final answer
    x = 180,196.82

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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.