Home / 197,445.15-272,450.82-111,399.17

Finding the Fourth Proportional to 197,445.15, 272,450.82 and 111,399.17

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Solution

The fourth proportional to 197,445.15, 272,450.82 and 111,399.17 is: 153,717.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,445.15 : 272,450.82 = 111,399.17 : x
  2. Step 2: Convert to fraction form
    197,445.15/272,450.82 = 111,399.17/x
  3. Step 3: Cross multiply
    197,445.15x = 272,450.82 × 111,399.17
  4. Step 4: Simplify right side
    197,445.15x = 30,350,796,333.13
  5. Step 5: Solve for x
    x = 30,350,796,333.13/197,445.15
  6. Step 6: Final answer
    x = 153,717.61

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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.