Home / 186,197.68-256,909.08-105,606.64

Finding the Fourth Proportional to 186,197.68, 256,909.08 and 105,606.64

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Solution

The fourth proportional to 186,197.68, 256,909.08 and 105,606.64 is: 145,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,197.68 : 256,909.08 = 105,606.64 : x
  2. Step 2: Convert to fraction form
    186,197.68/256,909.08 = 105,606.64/x
  3. Step 3: Cross multiply
    186,197.68x = 256,909.08 × 105,606.64
  4. Step 4: Simplify right side
    186,197.68x = 27,131,304,724.29
  5. Step 5: Solve for x
    x = 27,131,304,724.29/186,197.68
  6. Step 6: Final answer
    x = 145,712.37

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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.