Home / 145,551.39-200,844.66-81,887.82

Finding the Fourth Proportional to 145,551.39, 200,844.66 and 81,887.82

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Solution

The fourth proportional to 145,551.39, 200,844.66 and 81,887.82 is: 112,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,551.39 : 200,844.66 = 81,887.82 : x
  2. Step 2: Convert to fraction form
    145,551.39/200,844.66 = 81,887.82/x
  3. Step 3: Cross multiply
    145,551.39x = 200,844.66 × 81,887.82
  4. Step 4: Simplify right side
    145,551.39x = 16,446,731,366.04
  5. Step 5: Solve for x
    x = 16,446,731,366.04/145,551.39
  6. Step 6: Final answer
    x = 112,996.04

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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.