Home / 132,931.26-183,506.31-114,709.50

Finding the Fourth Proportional to 132,931.26, 183,506.31 and 114,709.50

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Solution

The fourth proportional to 132,931.26, 183,506.31 and 114,709.50 is: 158,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,931.26 : 183,506.31 = 114,709.50 : x
  2. Step 2: Convert to fraction form
    132,931.26/183,506.31 = 114,709.50/x
  3. Step 3: Cross multiply
    132,931.26x = 183,506.31 × 114,709.50
  4. Step 4: Simplify right side
    132,931.26x = 21,049,917,066.95
  5. Step 5: Solve for x
    x = 21,049,917,066.95/132,931.26
  6. Step 6: Final answer
    x = 158,351.90

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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.