Home / 132,459.51-182,788.53-75,102.69

Finding the Fourth Proportional to 132,459.51, 182,788.53 and 75,102.69

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Solution

The fourth proportional to 132,459.51, 182,788.53 and 75,102.69 is: 103,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,459.51 : 182,788.53 = 75,102.69 : x
  2. Step 2: Convert to fraction form
    132,459.51/182,788.53 = 75,102.69/x
  3. Step 3: Cross multiply
    132,459.51x = 182,788.53 × 75,102.69
  4. Step 4: Simplify right side
    132,459.51x = 13,727,910,304.15
  5. Step 5: Solve for x
    x = 13,727,910,304.15/132,459.51
  6. Step 6: Final answer
    x = 103,638.54

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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.