Home / 186,815.72-257,811.40-106,254.86

Finding the Fourth Proportional to 186,815.72, 257,811.40 and 106,254.86

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Solution

The fourth proportional to 186,815.72, 257,811.40 and 106,254.86 is: 146,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,815.72 : 257,811.40 = 106,254.86 : x
  2. Step 2: Convert to fraction form
    186,815.72/257,811.40 = 106,254.86/x
  3. Step 3: Cross multiply
    186,815.72x = 257,811.40 × 106,254.86
  4. Step 4: Simplify right side
    186,815.72x = 27,393,714,213.40
  5. Step 5: Solve for x
    x = 27,393,714,213.40/186,815.72
  6. Step 6: Final answer
    x = 146,634.95

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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.