Home / 186,714.45-257,655.83-106,130.79

Finding the Fourth Proportional to 186,714.45, 257,655.83 and 106,130.79

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Solution

The fourth proportional to 186,714.45, 257,655.83 and 106,130.79 is: 146,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,714.45 : 257,655.83 = 106,130.79 : x
  2. Step 2: Convert to fraction form
    186,714.45/257,655.83 = 106,130.79/x
  3. Step 3: Cross multiply
    186,714.45x = 257,655.83 × 106,130.79
  4. Step 4: Simplify right side
    186,714.45x = 27,345,216,255.35
  5. Step 5: Solve for x
    x = 27,345,216,255.35/186,714.45
  6. Step 6: Final answer
    x = 146,454.74

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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.