Home / 646,554.60-969,831.90-166,781.48

Finding the Fourth Proportional to 646,554.60, 969,831.90 and 166,781.48

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Solution

The fourth proportional to 646,554.60, 969,831.90 and 166,781.48 is: 250,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,554.60 : 969,831.90 = 166,781.48 : x
  2. Step 2: Convert to fraction form
    646,554.60/969,831.90 = 166,781.48/x
  3. Step 3: Cross multiply
    646,554.60x = 969,831.90 × 166,781.48
  4. Step 4: Simplify right side
    646,554.60x = 161,749,994,784.05
  5. Step 5: Solve for x
    x = 161,749,994,784.05/646,554.60
  6. Step 6: Final answer
    x = 250,172.21

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.