Home / 132,867.54-183,365.37-76,287.42

Finding the Fourth Proportional to 132,867.54, 183,365.37 and 76,287.42

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Solution

The fourth proportional to 132,867.54, 183,365.37 and 76,287.42 is: 105,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,867.54 : 183,365.37 = 76,287.42 : x
  2. Step 2: Convert to fraction form
    132,867.54/183,365.37 = 76,287.42/x
  3. Step 3: Cross multiply
    132,867.54x = 183,365.37 × 76,287.42
  4. Step 4: Simplify right side
    132,867.54x = 13,988,470,994.65
  5. Step 5: Solve for x
    x = 13,988,470,994.65/132,867.54
  6. Step 6: Final answer
    x = 105,281.33

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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.