Home / 197,455.41-272,205.05-140,768.37

Finding the Fourth Proportional to 197,455.41, 272,205.05 and 140,768.37

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Solution

The fourth proportional to 197,455.41, 272,205.05 and 140,768.37 is: 194,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,455.41 : 272,205.05 = 140,768.37 : x
  2. Step 2: Convert to fraction form
    197,455.41/272,205.05 = 140,768.37/x
  3. Step 3: Cross multiply
    197,455.41x = 272,205.05 × 140,768.37
  4. Step 4: Simplify right side
    197,455.41x = 38,317,860,490.43
  5. Step 5: Solve for x
    x = 38,317,860,490.43/197,455.41
  6. Step 6: Final answer
    x = 194,058.30

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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.