Home / 168,430.37-232,472.99-111,080.05

Finding the Fourth Proportional to 168,430.37, 232,472.99 and 111,080.05

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Solution

The fourth proportional to 168,430.37, 232,472.99 and 111,080.05 is: 153,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,430.37 : 232,472.99 = 111,080.05 : x
  2. Step 2: Convert to fraction form
    168,430.37/232,472.99 = 111,080.05/x
  3. Step 3: Cross multiply
    168,430.37x = 232,472.99 × 111,080.05
  4. Step 4: Simplify right side
    168,430.37x = 25,823,111,049.37
  5. Step 5: Solve for x
    x = 25,823,111,049.37/168,430.37
  6. Step 6: Final answer
    x = 153,316.24

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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.