Home / 186,119.91-256,891.10-105,594.57

Finding the Fourth Proportional to 186,119.91, 256,891.10 and 105,594.57

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Solution

The fourth proportional to 186,119.91, 256,891.10 and 105,594.57 is: 145,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,119.91 : 256,891.10 = 105,594.57 : x
  2. Step 2: Convert to fraction form
    186,119.91/256,891.10 = 105,594.57/x
  3. Step 3: Cross multiply
    186,119.91x = 256,891.10 × 105,594.57
  4. Step 4: Simplify right side
    186,119.91x = 27,126,304,713.35
  5. Step 5: Solve for x
    x = 27,126,304,713.35/186,119.91
  6. Step 6: Final answer
    x = 145,746.39

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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.