Home / 125,254.43-172,654.76-94,918.31

Finding the Fourth Proportional to 125,254.43, 172,654.76 and 94,918.31

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Solution

The fourth proportional to 125,254.43, 172,654.76 and 94,918.31 is: 130,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,254.43 : 172,654.76 = 94,918.31 : x
  2. Step 2: Convert to fraction form
    125,254.43/172,654.76 = 94,918.31/x
  3. Step 3: Cross multiply
    125,254.43x = 172,654.76 × 94,918.31
  4. Step 4: Simplify right side
    125,254.43x = 16,388,097,406.68
  5. Step 5: Solve for x
    x = 16,388,097,406.68/125,254.43
  6. Step 6: Final answer
    x = 130,838.47

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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.