Home / 186,956.12-257,998.05-102,073.19

Finding the Fourth Proportional to 186,956.12, 257,998.05 and 102,073.19

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Solution

The fourth proportional to 186,956.12, 257,998.05 and 102,073.19 is: 140,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,956.12 : 257,998.05 = 102,073.19 : x
  2. Step 2: Convert to fraction form
    186,956.12/257,998.05 = 102,073.19/x
  3. Step 3: Cross multiply
    186,956.12x = 257,998.05 × 102,073.19
  4. Step 4: Simplify right side
    186,956.12x = 26,334,682,687.29
  5. Step 5: Solve for x
    x = 26,334,682,687.29/186,956.12
  6. Step 6: Final answer
    x = 140,860.23

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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.