Home / 186,222.72-256,993.18-105,653.64

Finding the Fourth Proportional to 186,222.72, 256,993.18 and 105,653.64

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Solution

The fourth proportional to 186,222.72, 256,993.18 and 105,653.64 is: 145,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,222.72 : 256,993.18 = 105,653.64 : x
  2. Step 2: Convert to fraction form
    186,222.72/256,993.18 = 105,653.64/x
  3. Step 3: Cross multiply
    186,222.72x = 256,993.18 × 105,653.64
  4. Step 4: Simplify right side
    186,222.72x = 27,152,264,922.18
  5. Step 5: Solve for x
    x = 27,152,264,922.18/186,222.72
  6. Step 6: Final answer
    x = 145,805.33

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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.