Home / 133,246.54-183,821.16-79,500.31

Finding the Fourth Proportional to 133,246.54, 183,821.16 and 79,500.31

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Solution

The fourth proportional to 133,246.54, 183,821.16 and 79,500.31 is: 109,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,246.54 : 183,821.16 = 79,500.31 : x
  2. Step 2: Convert to fraction form
    133,246.54/183,821.16 = 79,500.31/x
  3. Step 3: Cross multiply
    133,246.54x = 183,821.16 × 79,500.31
  4. Step 4: Simplify right side
    133,246.54x = 14,613,839,043.13
  5. Step 5: Solve for x
    x = 14,613,839,043.13/133,246.54
  6. Step 6: Final answer
    x = 109,675.18

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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.