Home / 186,649.45-257,576.30-106,074.90

Finding the Fourth Proportional to 186,649.45, 257,576.30 and 106,074.90

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Solution

The fourth proportional to 186,649.45, 257,576.30 and 106,074.90 is: 146,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,649.45 : 257,576.30 = 106,074.90 : x
  2. Step 2: Convert to fraction form
    186,649.45/257,576.30 = 106,074.90/x
  3. Step 3: Cross multiply
    186,649.45x = 257,576.30 × 106,074.90
  4. Step 4: Simplify right side
    186,649.45x = 27,322,380,728.95
  5. Step 5: Solve for x
    x = 27,322,380,728.95/186,649.45
  6. Step 6: Final answer
    x = 146,383.40

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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.