Home / 146,213.57-218,821.32-122,547.83

Finding the Fourth Proportional to 146,213.57, 218,821.32 and 122,547.83

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Solution

The fourth proportional to 146,213.57, 218,821.32 and 122,547.83 is: 183,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,213.57 : 218,821.32 = 122,547.83 : x
  2. Step 2: Convert to fraction form
    146,213.57/218,821.32 = 122,547.83/x
  3. Step 3: Cross multiply
    146,213.57x = 218,821.32 × 122,547.83
  4. Step 4: Simplify right side
    146,213.57x = 26,816,076,829.63
  5. Step 5: Solve for x
    x = 26,816,076,829.63/146,213.57
  6. Step 6: Final answer
    x = 183,403.47

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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.