Home / 132,984.18-183,445.56-85,183.65

Finding the Fourth Proportional to 132,984.18, 183,445.56 and 85,183.65

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Solution

The fourth proportional to 132,984.18, 183,445.56 and 85,183.65 is: 117,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,984.18 : 183,445.56 = 85,183.65 : x
  2. Step 2: Convert to fraction form
    132,984.18/183,445.56 = 85,183.65/x
  3. Step 3: Cross multiply
    132,984.18x = 183,445.56 × 85,183.65
  4. Step 4: Simplify right side
    132,984.18x = 15,626,562,377.09
  5. Step 5: Solve for x
    x = 15,626,562,377.09/132,984.18
  6. Step 6: Final answer
    x = 117,506.93

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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.