Home / 145,377.57-200,591.64-84,936.54

Finding the Fourth Proportional to 145,377.57, 200,591.64 and 84,936.54

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Solution

The fourth proportional to 145,377.57, 200,591.64 and 84,936.54 is: 117,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,377.57 : 200,591.64 = 84,936.54 : x
  2. Step 2: Convert to fraction form
    145,377.57/200,591.64 = 84,936.54/x
  3. Step 3: Cross multiply
    145,377.57x = 200,591.64 × 84,936.54
  4. Step 4: Simplify right side
    145,377.57x = 17,037,560,606.74
  5. Step 5: Solve for x
    x = 17,037,560,606.74/145,377.57
  6. Step 6: Final answer
    x = 117,195.25

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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.