Home / 132,760.26-183,210.78-76,176.90

Finding the Fourth Proportional to 132,760.26, 183,210.78 and 76,176.90

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Solution

The fourth proportional to 132,760.26, 183,210.78 and 76,176.90 is: 105,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,760.26 : 183,210.78 = 76,176.90 : x
  2. Step 2: Convert to fraction form
    132,760.26/183,210.78 = 76,176.90/x
  3. Step 3: Cross multiply
    132,760.26x = 183,210.78 × 76,176.90
  4. Step 4: Simplify right side
    132,760.26x = 13,956,429,266.98
  5. Step 5: Solve for x
    x = 13,956,429,266.98/132,760.26
  6. Step 6: Final answer
    x = 105,125.05

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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.