Home / 132,834.42-183,332.61-81,877.14

Finding the Fourth Proportional to 132,834.42, 183,332.61 and 81,877.14

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Solution

The fourth proportional to 132,834.42, 183,332.61 and 81,877.14 is: 113,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,834.42 : 183,332.61 = 81,877.14 : x
  2. Step 2: Convert to fraction form
    132,834.42/183,332.61 = 81,877.14/x
  3. Step 3: Cross multiply
    132,834.42x = 183,332.61 × 81,877.14
  4. Step 4: Simplify right side
    132,834.42x = 15,010,749,775.54
  5. Step 5: Solve for x
    x = 15,010,749,775.54/132,834.42
  6. Step 6: Final answer
    x = 113,003.47

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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.