Home / 147,165.30-203,088.51-83,502.93

Finding the Fourth Proportional to 147,165.30, 203,088.51 and 83,502.93

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Solution

The fourth proportional to 147,165.30, 203,088.51 and 83,502.93 is: 115,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,165.30 : 203,088.51 = 83,502.93 : x
  2. Step 2: Convert to fraction form
    147,165.30/203,088.51 = 83,502.93/x
  3. Step 3: Cross multiply
    147,165.30x = 203,088.51 × 83,502.93
  4. Step 4: Simplify right side
    147,165.30x = 16,958,485,634.33
  5. Step 5: Solve for x
    x = 16,958,485,634.33/147,165.30
  6. Step 6: Final answer
    x = 115,234.27

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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.