Home / 197,480.18-296,386.14-85,245.16

Finding the Fourth Proportional to 197,480.18, 296,386.14 and 85,245.16

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Solution

The fourth proportional to 197,480.18, 296,386.14 and 85,245.16 is: 127,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,480.18 : 296,386.14 = 85,245.16 : x
  2. Step 2: Convert to fraction form
    197,480.18/296,386.14 = 85,245.16/x
  3. Step 3: Cross multiply
    197,480.18x = 296,386.14 × 85,245.16
  4. Step 4: Simplify right side
    197,480.18x = 25,265,483,926.08
  5. Step 5: Solve for x
    x = 25,265,483,926.08/197,480.18
  6. Step 6: Final answer
    x = 127,939.34

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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.