Home / 125,586.64-188,388.06-55,465.75

Finding the Fourth Proportional to 125,586.64, 188,388.06 and 55,465.75

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Solution

The fourth proportional to 125,586.64, 188,388.06 and 55,465.75 is: 83,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,586.64 : 188,388.06 = 55,465.75 : x
  2. Step 2: Convert to fraction form
    125,586.64/188,388.06 = 55,465.75/x
  3. Step 3: Cross multiply
    125,586.64x = 188,388.06 × 55,465.75
  4. Step 4: Simplify right side
    125,586.64x = 10,449,085,038.95
  5. Step 5: Solve for x
    x = 10,449,085,038.95/125,586.64
  6. Step 6: Final answer
    x = 83,202.20

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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.