Home / 205,892.43-284,129.58-118,645.48

Finding the Fourth Proportional to 205,892.43, 284,129.58 and 118,645.48

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Solution

The fourth proportional to 205,892.43, 284,129.58 and 118,645.48 is: 163,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,892.43 : 284,129.58 = 118,645.48 : x
  2. Step 2: Convert to fraction form
    205,892.43/284,129.58 = 118,645.48/x
  3. Step 3: Cross multiply
    205,892.43x = 284,129.58 × 118,645.48
  4. Step 4: Simplify right side
    205,892.43x = 33,710,689,808.07
  5. Step 5: Solve for x
    x = 33,710,689,808.07/205,892.43
  6. Step 6: Final answer
    x = 163,729.62

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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.