Home / 168,127.32-232,012.68-91,647.06

Finding the Fourth Proportional to 168,127.32, 232,012.68 and 91,647.06

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Solution

The fourth proportional to 168,127.32, 232,012.68 and 91,647.06 is: 126,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,127.32 : 232,012.68 = 91,647.06 : x
  2. Step 2: Convert to fraction form
    168,127.32/232,012.68 = 91,647.06/x
  3. Step 3: Cross multiply
    168,127.32x = 232,012.68 × 91,647.06
  4. Step 4: Simplify right side
    168,127.32x = 21,263,280,004.72
  5. Step 5: Solve for x
    x = 21,263,280,004.72/168,127.32
  6. Step 6: Final answer
    x = 126,471.30

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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.