Home / 197,123.21-272,029.99-106,479.18

Finding the Fourth Proportional to 197,123.21, 272,029.99 and 106,479.18

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Solution

The fourth proportional to 197,123.21, 272,029.99 and 106,479.18 is: 146,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,123.21 : 272,029.99 = 106,479.18 : x
  2. Step 2: Convert to fraction form
    197,123.21/272,029.99 = 106,479.18/x
  3. Step 3: Cross multiply
    197,123.21x = 272,029.99 × 106,479.18
  4. Step 4: Simplify right side
    197,123.21x = 28,965,529,058.14
  5. Step 5: Solve for x
    x = 28,965,529,058.14/197,123.21
  6. Step 6: Final answer
    x = 146,941.24

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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.