Home / 197,521.53-272,579.16-106,879.03

Finding the Fourth Proportional to 197,521.53, 272,579.16 and 106,879.03

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Solution

The fourth proportional to 197,521.53, 272,579.16 and 106,879.03 is: 147,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,521.53 : 272,579.16 = 106,879.03 : x
  2. Step 2: Convert to fraction form
    197,521.53/272,579.16 = 106,879.03/x
  3. Step 3: Cross multiply
    197,521.53x = 272,579.16 × 106,879.03
  4. Step 4: Simplify right side
    197,521.53x = 29,132,995,477.49
  5. Step 5: Solve for x
    x = 29,132,995,477.49/197,521.53
  6. Step 6: Final answer
    x = 147,492.76

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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.