Home / 120,226.97-180,381.90-53,713.01

Finding the Fourth Proportional to 120,226.97, 180,381.90 and 53,713.01

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Solution

The fourth proportional to 120,226.97, 180,381.90 and 53,713.01 is: 80,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,226.97 : 180,381.90 = 53,713.01 : x
  2. Step 2: Convert to fraction form
    120,226.97/180,381.90 = 53,713.01/x
  3. Step 3: Cross multiply
    120,226.97x = 180,381.90 × 53,713.01
  4. Step 4: Simplify right side
    120,226.97x = 9,688,854,798.52
  5. Step 5: Solve for x
    x = 9,688,854,798.52/120,226.97
  6. Step 6: Final answer
    x = 80,588.03

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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.