Home / 298,749.30-412,254.81-177,899.46

Finding the Fourth Proportional to 298,749.30, 412,254.81 and 177,899.46

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Solution

The fourth proportional to 298,749.30, 412,254.81 and 177,899.46 is: 245,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,749.30 : 412,254.81 = 177,899.46 : x
  2. Step 2: Convert to fraction form
    298,749.30/412,254.81 = 177,899.46/x
  3. Step 3: Cross multiply
    298,749.30x = 412,254.81 × 177,899.46
  4. Step 4: Simplify right side
    298,749.30x = 73,339,908,081.40
  5. Step 5: Solve for x
    x = 73,339,908,081.40/298,749.30
  6. Step 6: Final answer
    x = 245,489.81

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1.5x scale

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.