Home / 136,916.92-189,205.16-98,801.56

Finding the Fourth Proportional to 136,916.92, 189,205.16 and 98,801.56

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Solution

The fourth proportional to 136,916.92, 189,205.16 and 98,801.56 is: 136,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,916.92 : 189,205.16 = 98,801.56 : x
  2. Step 2: Convert to fraction form
    136,916.92/189,205.16 = 98,801.56/x
  3. Step 3: Cross multiply
    136,916.92x = 189,205.16 × 98,801.56
  4. Step 4: Simplify right side
    136,916.92x = 18,693,764,968.05
  5. Step 5: Solve for x
    x = 18,693,764,968.05/136,916.92
  6. Step 6: Final answer
    x = 136,533.64

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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.