Home / 120,588.90-180,901.17-41,681.94

Finding the Fourth Proportional to 120,588.90, 180,901.17 and 41,681.94

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Solution

The fourth proportional to 120,588.90, 180,901.17 and 41,681.94 is: 62,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,588.90 : 180,901.17 = 41,681.94 : x
  2. Step 2: Convert to fraction form
    120,588.90/180,901.17 = 41,681.94/x
  3. Step 3: Cross multiply
    120,588.90x = 180,901.17 × 41,681.94
  4. Step 4: Simplify right side
    120,588.90x = 7,540,311,713.87
  5. Step 5: Solve for x
    x = 7,540,311,713.87/120,588.90
  6. Step 6: Final answer
    x = 62,529.07

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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.