Home / 147,857.41-204,043.02-84,195.20

Finding the Fourth Proportional to 147,857.41, 204,043.02 and 84,195.20

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Solution

The fourth proportional to 147,857.41, 204,043.02 and 84,195.20 is: 116,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,857.41 : 204,043.02 = 84,195.20 : x
  2. Step 2: Convert to fraction form
    147,857.41/204,043.02 = 84,195.20/x
  3. Step 3: Cross multiply
    147,857.41x = 204,043.02 × 84,195.20
  4. Step 4: Simplify right side
    147,857.41x = 17,179,442,877.50
  5. Step 5: Solve for x
    x = 17,179,442,877.50/147,857.41
  6. Step 6: Final answer
    x = 116,189.26

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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.