Home / 147,864.36-204,029.22-84,203.40

Finding the Fourth Proportional to 147,864.36, 204,029.22 and 84,203.40

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Solution

The fourth proportional to 147,864.36, 204,029.22 and 84,203.40 is: 116,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,864.36 : 204,029.22 = 84,203.40 : x
  2. Step 2: Convert to fraction form
    147,864.36/204,029.22 = 84,203.40/x
  3. Step 3: Cross multiply
    147,864.36x = 204,029.22 × 84,203.40
  4. Step 4: Simplify right side
    147,864.36x = 17,179,954,023.35
  5. Step 5: Solve for x
    x = 17,179,954,023.35/147,864.36
  6. Step 6: Final answer
    x = 116,187.25

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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.