Home / 183,820.68-253,607.94-120,195.72

Finding the Fourth Proportional to 183,820.68, 253,607.94 and 120,195.72

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Solution

The fourth proportional to 183,820.68, 253,607.94 and 120,195.72 is: 165,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,820.68 : 253,607.94 = 120,195.72 : x
  2. Step 2: Convert to fraction form
    183,820.68/253,607.94 = 120,195.72/x
  3. Step 3: Cross multiply
    183,820.68x = 253,607.94 × 120,195.72
  4. Step 4: Simplify right side
    183,820.68x = 30,482,588,946.02
  5. Step 5: Solve for x
    x = 30,482,588,946.02/183,820.68
  6. Step 6: Final answer
    x = 165,827.85

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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.