Home / 120,673.43-181,033.73-36,440.45

Finding the Fourth Proportional to 120,673.43, 181,033.73 and 36,440.45

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Solution

The fourth proportional to 120,673.43, 181,033.73 and 36,440.45 is: 54,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,673.43 : 181,033.73 = 36,440.45 : x
  2. Step 2: Convert to fraction form
    120,673.43/181,033.73 = 36,440.45/x
  3. Step 3: Cross multiply
    120,673.43x = 181,033.73 × 36,440.45
  4. Step 4: Simplify right side
    120,673.43x = 6,596,949,499.01
  5. Step 5: Solve for x
    x = 6,596,949,499.01/120,673.43
  6. Step 6: Final answer
    x = 54,667.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.