Home / 125,307.14-188,054.10-50,427.90

Finding the Fourth Proportional to 125,307.14, 188,054.10 and 50,427.90

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Solution

The fourth proportional to 125,307.14, 188,054.10 and 50,427.90 is: 75,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,307.14 : 188,054.10 = 50,427.90 : x
  2. Step 2: Convert to fraction form
    125,307.14/188,054.10 = 50,427.90/x
  3. Step 3: Cross multiply
    125,307.14x = 188,054.10 × 50,427.90
  4. Step 4: Simplify right side
    125,307.14x = 9,483,173,349.39
  5. Step 5: Solve for x
    x = 9,483,173,349.39/125,307.14
  6. Step 6: Final answer
    x = 75,679.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.