Home / 132,538.61-182,908.05-75,960.77

Finding the Fourth Proportional to 132,538.61, 182,908.05 and 75,960.77

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Solution

The fourth proportional to 132,538.61, 182,908.05 and 75,960.77 is: 104,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,538.61 : 182,908.05 = 75,960.77 : x
  2. Step 2: Convert to fraction form
    132,538.61/182,908.05 = 75,960.77/x
  3. Step 3: Cross multiply
    132,538.61x = 182,908.05 × 75,960.77
  4. Step 4: Simplify right side
    132,538.61x = 13,893,836,317.20
  5. Step 5: Solve for x
    x = 13,893,836,317.20/132,538.61
  6. Step 6: Final answer
    x = 104,828.60

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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.