Home / 146,511.25-202,185.62-79,443.25

Finding the Fourth Proportional to 146,511.25, 202,185.62 and 79,443.25

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Solution

The fourth proportional to 146,511.25, 202,185.62 and 79,443.25 is: 109,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,511.25 : 202,185.62 = 79,443.25 : x
  2. Step 2: Convert to fraction form
    146,511.25/202,185.62 = 79,443.25/x
  3. Step 3: Cross multiply
    146,511.25x = 202,185.62 × 79,443.25
  4. Step 4: Simplify right side
    146,511.25x = 16,062,282,756.07
  5. Step 5: Solve for x
    x = 16,062,282,756.07/146,511.25
  6. Step 6: Final answer
    x = 109,631.74

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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.