Home / 186,213.75-256,972.82-101,329.35

Finding the Fourth Proportional to 186,213.75, 256,972.82 and 101,329.35

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Solution

The fourth proportional to 186,213.75, 256,972.82 and 101,329.35 is: 139,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,213.75 : 256,972.82 = 101,329.35 : x
  2. Step 2: Convert to fraction form
    186,213.75/256,972.82 = 101,329.35/x
  3. Step 3: Cross multiply
    186,213.75x = 256,972.82 × 101,329.35
  4. Step 4: Simplify right side
    186,213.75x = 26,038,888,311.62
  5. Step 5: Solve for x
    x = 26,038,888,311.62/186,213.75
  6. Step 6: Final answer
    x = 139,833.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.