Home / 197,315.78-295,881.65-102,520.49

Finding the Fourth Proportional to 197,315.78, 295,881.65 and 102,520.49

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Solution

The fourth proportional to 197,315.78, 295,881.65 and 102,520.49 is: 153,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,315.78 : 295,881.65 = 102,520.49 : x
  2. Step 2: Convert to fraction form
    197,315.78/295,881.65 = 102,520.49/x
  3. Step 3: Cross multiply
    197,315.78x = 295,881.65 × 102,520.49
  4. Step 4: Simplify right side
    197,315.78x = 30,333,929,748.00
  5. Step 5: Solve for x
    x = 30,333,929,748.00/197,315.78
  6. Step 6: Final answer
    x = 153,732.92

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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.