Home / 125,928.26-188,892.18-86,365.43

Finding the Fourth Proportional to 125,928.26, 188,892.18 and 86,365.43

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Solution

The fourth proportional to 125,928.26, 188,892.18 and 86,365.43 is: 129,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,928.26 : 188,892.18 = 86,365.43 : x
  2. Step 2: Convert to fraction form
    125,928.26/188,892.18 = 86,365.43/x
  3. Step 3: Cross multiply
    125,928.26x = 188,892.18 × 86,365.43
  4. Step 4: Simplify right side
    125,928.26x = 16,313,754,349.34
  5. Step 5: Solve for x
    x = 16,313,754,349.34/125,928.26
  6. Step 6: Final answer
    x = 129,548.00

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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.