Home / 147,961.59-204,136.99-84,254.28

Finding the Fourth Proportional to 147,961.59, 204,136.99 and 84,254.28

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Solution

The fourth proportional to 147,961.59, 204,136.99 and 84,254.28 is: 116,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,961.59 : 204,136.99 = 84,254.28 : x
  2. Step 2: Convert to fraction form
    147,961.59/204,136.99 = 84,254.28/x
  3. Step 3: Cross multiply
    147,961.59x = 204,136.99 × 84,254.28
  4. Step 4: Simplify right side
    147,961.59x = 17,199,415,113.82
  5. Step 5: Solve for x
    x = 17,199,415,113.82/147,961.59
  6. Step 6: Final answer
    x = 116,242.43

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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.