Home / 186,822.56-257,820.80-106,261.68

Finding the Fourth Proportional to 186,822.56, 257,820.80 and 106,261.68

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Solution

The fourth proportional to 186,822.56, 257,820.80 and 106,261.68 is: 146,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,822.56 : 257,820.80 = 106,261.68 : x
  2. Step 2: Convert to fraction form
    186,822.56/257,820.80 = 106,261.68/x
  3. Step 3: Cross multiply
    186,822.56x = 257,820.80 × 106,261.68
  4. Step 4: Simplify right side
    186,822.56x = 27,396,471,346.94
  5. Step 5: Solve for x
    x = 27,396,471,346.94/186,822.56
  6. Step 6: Final answer
    x = 146,644.34

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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.