Home / 144,924.72-199,997.04-81,263.52

Finding the Fourth Proportional to 144,924.72, 199,997.04 and 81,263.52

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Solution

The fourth proportional to 144,924.72, 199,997.04 and 81,263.52 is: 112,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,924.72 : 199,997.04 = 81,263.52 : x
  2. Step 2: Convert to fraction form
    144,924.72/199,997.04 = 81,263.52/x
  3. Step 3: Cross multiply
    144,924.72x = 199,997.04 × 81,263.52
  4. Step 4: Simplify right side
    144,924.72x = 16,252,463,459.98
  5. Step 5: Solve for x
    x = 16,252,463,459.98/144,924.72
  6. Step 6: Final answer
    x = 112,144.18

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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.