Home / 146,990.39-202,874.91-83,328.44

Finding the Fourth Proportional to 146,990.39, 202,874.91 and 83,328.44

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Solution

The fourth proportional to 146,990.39, 202,874.91 and 83,328.44 is: 115,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,990.39 : 202,874.91 = 83,328.44 : x
  2. Step 2: Convert to fraction form
    146,990.39/202,874.91 = 83,328.44/x
  3. Step 3: Cross multiply
    146,990.39x = 202,874.91 × 83,328.44
  4. Step 4: Simplify right side
    146,990.39x = 16,905,249,765.44
  5. Step 5: Solve for x
    x = 16,905,249,765.44/146,990.39
  6. Step 6: Final answer
    x = 115,009.22

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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.