Home / 186,123.24-256,792.14-105,544.44

Finding the Fourth Proportional to 186,123.24, 256,792.14 and 105,544.44

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Solution

The fourth proportional to 186,123.24, 256,792.14 and 105,544.44 is: 145,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,123.24 : 256,792.14 = 105,544.44 : x
  2. Step 2: Convert to fraction form
    186,123.24/256,792.14 = 105,544.44/x
  3. Step 3: Cross multiply
    186,123.24x = 256,792.14 × 105,544.44
  4. Step 4: Simplify right side
    186,123.24x = 27,102,982,612.70
  5. Step 5: Solve for x
    x = 27,102,982,612.70/186,123.24
  6. Step 6: Final answer
    x = 145,618.48

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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.