Home / 132,608.93-183,004.27-81,651.06

Finding the Fourth Proportional to 132,608.93, 183,004.27 and 81,651.06

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Solution

The fourth proportional to 132,608.93, 183,004.27 and 81,651.06 is: 112,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,608.93 : 183,004.27 = 81,651.06 : x
  2. Step 2: Convert to fraction form
    132,608.93/183,004.27 = 81,651.06/x
  3. Step 3: Cross multiply
    132,608.93x = 183,004.27 × 81,651.06
  4. Step 4: Simplify right side
    132,608.93x = 14,942,492,630.03
  5. Step 5: Solve for x
    x = 14,942,492,630.03/132,608.93
  6. Step 6: Final answer
    x = 112,680.89

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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.