Home / 205,000.04-282,893.64-120,173.60

Finding the Fourth Proportional to 205,000.04, 282,893.64 and 120,173.60

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Solution

The fourth proportional to 205,000.04, 282,893.64 and 120,173.60 is: 165,835.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,000.04 : 282,893.64 = 120,173.60 : x
  2. Step 2: Convert to fraction form
    205,000.04/282,893.64 = 120,173.60/x
  3. Step 3: Cross multiply
    205,000.04x = 282,893.64 × 120,173.60
  4. Step 4: Simplify right side
    205,000.04x = 33,996,347,135.90
  5. Step 5: Solve for x
    x = 33,996,347,135.90/205,000.04
  6. Step 6: Final answer
    x = 165,835.81

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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.