Home / 197,105.40-295,658.10-195,031.80

Finding the Fourth Proportional to 197,105.40, 295,658.10 and 195,031.80

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Solution

The fourth proportional to 197,105.40, 295,658.10 and 195,031.80 is: 292,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,105.40 : 295,658.10 = 195,031.80 : x
  2. Step 2: Convert to fraction form
    197,105.40/295,658.10 = 195,031.80/x
  3. Step 3: Cross multiply
    197,105.40x = 295,658.10 × 195,031.80
  4. Step 4: Simplify right side
    197,105.40x = 57,662,731,427.58
  5. Step 5: Solve for x
    x = 57,662,731,427.58/197,105.40
  6. Step 6: Final answer
    x = 292,547.70

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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.