Home / 119,783.58-165,299.04-66,073.56

Finding the Fourth Proportional to 119,783.58, 165,299.04 and 66,073.56

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Solution

The fourth proportional to 119,783.58, 165,299.04 and 66,073.56 is: 91,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,783.58 : 165,299.04 = 66,073.56 : x
  2. Step 2: Convert to fraction form
    119,783.58/165,299.04 = 66,073.56/x
  3. Step 3: Cross multiply
    119,783.58x = 165,299.04 × 66,073.56
  4. Step 4: Simplify right side
    119,783.58x = 10,921,896,037.38
  5. Step 5: Solve for x
    x = 10,921,896,037.38/119,783.58
  6. Step 6: Final answer
    x = 91,180.24

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1.5x scale

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.