Home / 186,965.76-258,002.52-102,080.88

Finding the Fourth Proportional to 186,965.76, 258,002.52 and 102,080.88

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Solution

The fourth proportional to 186,965.76, 258,002.52 and 102,080.88 is: 140,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,965.76 : 258,002.52 = 102,080.88 : x
  2. Step 2: Convert to fraction form
    186,965.76/258,002.52 = 102,080.88/x
  3. Step 3: Cross multiply
    186,965.76x = 258,002.52 × 102,080.88
  4. Step 4: Simplify right side
    186,965.76x = 26,337,124,283.82
  5. Step 5: Solve for x
    x = 26,337,124,283.82/186,965.76
  6. Step 6: Final answer
    x = 140,866.03

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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.