Home / 125,355.29-188,090.33-54,299.66

Finding the Fourth Proportional to 125,355.29, 188,090.33 and 54,299.66

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Solution

The fourth proportional to 125,355.29, 188,090.33 and 54,299.66 is: 81,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,355.29 : 188,090.33 = 54,299.66 : x
  2. Step 2: Convert to fraction form
    125,355.29/188,090.33 = 54,299.66/x
  3. Step 3: Cross multiply
    125,355.29x = 188,090.33 × 54,299.66
  4. Step 4: Simplify right side
    125,355.29x = 10,213,239,756.34
  5. Step 5: Solve for x
    x = 10,213,239,756.34/125,355.29
  6. Step 6: Final answer
    x = 81,474.35

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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.