Home / 132,830.28-183,316.77-76,252.59

Finding the Fourth Proportional to 132,830.28, 183,316.77 and 76,252.59

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Solution

The fourth proportional to 132,830.28, 183,316.77 and 76,252.59 is: 105,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,830.28 : 183,316.77 = 76,252.59 : x
  2. Step 2: Convert to fraction form
    132,830.28/183,316.77 = 76,252.59/x
  3. Step 3: Cross multiply
    132,830.28x = 183,316.77 × 76,252.59
  4. Step 4: Simplify right side
    132,830.28x = 13,978,378,502.93
  5. Step 5: Solve for x
    x = 13,978,378,502.93/132,830.28
  6. Step 6: Final answer
    x = 105,234.88

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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.