Home / 199,005.40-298,313.70-178,010.20

Finding the Fourth Proportional to 199,005.40, 298,313.70 and 178,010.20

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Solution

The fourth proportional to 199,005.40, 298,313.70 and 178,010.20 is: 266,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,005.40 : 298,313.70 = 178,010.20 : x
  2. Step 2: Convert to fraction form
    199,005.40/298,313.70 = 178,010.20/x
  3. Step 3: Cross multiply
    199,005.40x = 298,313.70 × 178,010.20
  4. Step 4: Simplify right side
    199,005.40x = 53,102,881,399.74
  5. Step 5: Solve for x
    x = 53,102,881,399.74/199,005.40
  6. Step 6: Final answer
    x = 266,841.41

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1.5x scale

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.