Home / 125,438.12-188,218.54-58,883.56

Finding the Fourth Proportional to 125,438.12, 188,218.54 and 58,883.56

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Solution

The fourth proportional to 125,438.12, 188,218.54 and 58,883.56 is: 88,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,438.12 : 188,218.54 = 58,883.56 : x
  2. Step 2: Convert to fraction form
    125,438.12/188,218.54 = 58,883.56/x
  3. Step 3: Cross multiply
    125,438.12x = 188,218.54 × 58,883.56
  4. Step 4: Simplify right side
    125,438.12x = 11,082,977,693.20
  5. Step 5: Solve for x
    x = 11,082,977,693.20/125,438.12
  6. Step 6: Final answer
    x = 88,354.14

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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.