Home / 455,723.52-683,663.04-140,173.44

Finding the Fourth Proportional to 455,723.52, 683,663.04 and 140,173.44

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Solution

The fourth proportional to 455,723.52, 683,663.04 and 140,173.44 is: 210,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,723.52 : 683,663.04 = 140,173.44 : x
  2. Step 2: Convert to fraction form
    455,723.52/683,663.04 = 140,173.44/x
  3. Step 3: Cross multiply
    455,723.52x = 683,663.04 × 140,173.44
  4. Step 4: Simplify right side
    455,723.52x = 95,831,400,117.66
  5. Step 5: Solve for x
    x = 95,831,400,117.66/455,723.52
  6. Step 6: Final answer
    x = 210,284.08

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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.