Home / 119,548.10-164,977.56-65,834.78

Finding the Fourth Proportional to 119,548.10, 164,977.56 and 65,834.78

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Solution

The fourth proportional to 119,548.10, 164,977.56 and 65,834.78 is: 90,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,548.10 : 164,977.56 = 65,834.78 : x
  2. Step 2: Convert to fraction form
    119,548.10/164,977.56 = 65,834.78/x
  3. Step 3: Cross multiply
    119,548.10x = 164,977.56 × 65,834.78
  4. Step 4: Simplify right side
    119,548.10x = 10,861,260,542.65
  5. Step 5: Solve for x
    x = 10,861,260,542.65/119,548.10
  6. Step 6: Final answer
    x = 90,852.64

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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.