Home / 125,274.62-172,886.04-74,317.52

Finding the Fourth Proportional to 125,274.62, 172,886.04 and 74,317.52

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Solution

The fourth proportional to 125,274.62, 172,886.04 and 74,317.52 is: 102,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,274.62 : 172,886.04 = 74,317.52 : x
  2. Step 2: Convert to fraction form
    125,274.62/172,886.04 = 74,317.52/x
  3. Step 3: Cross multiply
    125,274.62x = 172,886.04 × 74,317.52
  4. Step 4: Simplify right side
    125,274.62x = 12,848,461,735.42
  5. Step 5: Solve for x
    x = 12,848,461,735.42/125,274.62
  6. Step 6: Final answer
    x = 102,562.37

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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.