Home / 132,457.89-182,786.33-75,101.07

Finding the Fourth Proportional to 132,457.89, 182,786.33 and 75,101.07

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Solution

The fourth proportional to 132,457.89, 182,786.33 and 75,101.07 is: 103,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,457.89 : 182,786.33 = 75,101.07 : x
  2. Step 2: Convert to fraction form
    132,457.89/182,786.33 = 75,101.07/x
  3. Step 3: Cross multiply
    132,457.89x = 182,786.33 × 75,101.07
  4. Step 4: Simplify right side
    132,457.89x = 13,727,448,588.87
  5. Step 5: Solve for x
    x = 13,727,448,588.87/132,457.89
  6. Step 6: Final answer
    x = 103,636.32

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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.