Home / 168,030.82-231,880.70-96,422.05

Finding the Fourth Proportional to 168,030.82, 231,880.70 and 96,422.05

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Solution

The fourth proportional to 168,030.82, 231,880.70 and 96,422.05 is: 133,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,030.82 : 231,880.70 = 96,422.05 : x
  2. Step 2: Convert to fraction form
    168,030.82/231,880.70 = 96,422.05/x
  3. Step 3: Cross multiply
    168,030.82x = 231,880.70 × 96,422.05
  4. Step 4: Simplify right side
    168,030.82x = 22,358,410,807.92
  5. Step 5: Solve for x
    x = 22,358,410,807.92/168,030.82
  6. Step 6: Final answer
    x = 133,061.37

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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.