Home / 186,963.32-258,009.26-102,080.39

Finding the Fourth Proportional to 186,963.32, 258,009.26 and 102,080.39

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Solution

The fourth proportional to 186,963.32, 258,009.26 and 102,080.39 is: 140,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,963.32 : 258,009.26 = 102,080.39 : x
  2. Step 2: Convert to fraction form
    186,963.32/258,009.26 = 102,080.39/x
  3. Step 3: Cross multiply
    186,963.32x = 258,009.26 × 102,080.39
  4. Step 4: Simplify right side
    186,963.32x = 26,337,684,083.96
  5. Step 5: Solve for x
    x = 26,337,684,083.96/186,963.32
  6. Step 6: Final answer
    x = 140,870.86

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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.