Home / 125,308.14-188,055.60-50,428.90

Finding the Fourth Proportional to 125,308.14, 188,055.60 and 50,428.90

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Solution

The fourth proportional to 125,308.14, 188,055.60 and 50,428.90 is: 75,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,308.14 : 188,055.60 = 50,428.90 : x
  2. Step 2: Convert to fraction form
    125,308.14/188,055.60 = 50,428.90/x
  3. Step 3: Cross multiply
    125,308.14x = 188,055.60 × 50,428.90
  4. Step 4: Simplify right side
    125,308.14x = 9,483,437,046.84
  5. Step 5: Solve for x
    x = 9,483,437,046.84/125,308.14
  6. Step 6: Final answer
    x = 75,680.93

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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.