Home / 199,692.18-298,009.86-178,393.05

Finding the Fourth Proportional to 199,692.18, 298,009.86 and 178,393.05

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Solution

The fourth proportional to 199,692.18, 298,009.86 and 178,393.05 is: 266,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,692.18 : 298,009.86 = 178,393.05 : x
  2. Step 2: Convert to fraction form
    199,692.18/298,009.86 = 178,393.05/x
  3. Step 3: Cross multiply
    199,692.18x = 298,009.86 × 178,393.05
  4. Step 4: Simplify right side
    199,692.18x = 53,162,887,855.47
  5. Step 5: Solve for x
    x = 53,162,887,855.47/199,692.18
  6. Step 6: Final answer
    x = 266,224.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.