Home / 132,834.88-183,315.62-81,881.28

Finding the Fourth Proportional to 132,834.88, 183,315.62 and 81,881.28

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Solution

The fourth proportional to 132,834.88, 183,315.62 and 81,881.28 is: 112,998.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,834.88 : 183,315.62 = 81,881.28 : x
  2. Step 2: Convert to fraction form
    132,834.88/183,315.62 = 81,881.28/x
  3. Step 3: Cross multiply
    132,834.88x = 183,315.62 × 81,881.28
  4. Step 4: Simplify right side
    132,834.88x = 15,010,117,727.94
  5. Step 5: Solve for x
    x = 15,010,117,727.94/132,834.88
  6. Step 6: Final answer
    x = 112,998.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.