Home / 180,320.81-270,478.17-73,681.27

Finding the Fourth Proportional to 180,320.81, 270,478.17 and 73,681.27

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Solution

The fourth proportional to 180,320.81, 270,478.17 and 73,681.27 is: 110,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,320.81 : 270,478.17 = 73,681.27 : x
  2. Step 2: Convert to fraction form
    180,320.81/270,478.17 = 73,681.27/x
  3. Step 3: Cross multiply
    180,320.81x = 270,478.17 × 73,681.27
  4. Step 4: Simplify right side
    180,320.81x = 19,929,174,396.68
  5. Step 5: Solve for x
    x = 19,929,174,396.68/180,320.81
  6. Step 6: Final answer
    x = 110,520.66

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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.