Home / 183,817.68-253,603.80-120,192.72

Finding the Fourth Proportional to 183,817.68, 253,603.80 and 120,192.72

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Solution

The fourth proportional to 183,817.68, 253,603.80 and 120,192.72 is: 165,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,817.68 : 253,603.80 = 120,192.72 : x
  2. Step 2: Convert to fraction form
    183,817.68/253,603.80 = 120,192.72/x
  3. Step 3: Cross multiply
    183,817.68x = 253,603.80 × 120,192.72
  4. Step 4: Simplify right side
    183,817.68x = 30,481,330,524.34
  5. Step 5: Solve for x
    x = 30,481,330,524.34/183,817.68
  6. Step 6: Final answer
    x = 165,823.71

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1.5x scale

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.