Home / 186,222.96-256,993.52-105,653.88

Finding the Fourth Proportional to 186,222.96, 256,993.52 and 105,653.88

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Solution

The fourth proportional to 186,222.96, 256,993.52 and 105,653.88 is: 145,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,222.96 : 256,993.52 = 105,653.88 : x
  2. Step 2: Convert to fraction form
    186,222.96/256,993.52 = 105,653.88/x
  3. Step 3: Cross multiply
    186,222.96x = 256,993.52 × 105,653.88
  4. Step 4: Simplify right side
    186,222.96x = 27,152,361,994.59
  5. Step 5: Solve for x
    x = 27,152,361,994.59/186,222.96
  6. Step 6: Final answer
    x = 145,805.66

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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.