Home / 186,822.46-257,820.68-106,261.58

Finding the Fourth Proportional to 186,822.46, 257,820.68 and 106,261.58

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Solution

The fourth proportional to 186,822.46, 257,820.68 and 106,261.58 is: 146,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,822.46 : 257,820.68 = 106,261.58 : x
  2. Step 2: Convert to fraction form
    186,822.46/257,820.68 = 106,261.58/x
  3. Step 3: Cross multiply
    186,822.46x = 257,820.68 × 106,261.58
  4. Step 4: Simplify right side
    186,822.46x = 27,396,432,813.47
  5. Step 5: Solve for x
    x = 27,396,432,813.47/186,822.46
  6. Step 6: Final answer
    x = 146,644.21

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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.