Home / 186,933.20-257,971.72-102,053.84

Finding the Fourth Proportional to 186,933.20, 257,971.72 and 102,053.84

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Solution

The fourth proportional to 186,933.20, 257,971.72 and 102,053.84 is: 140,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,933.20 : 257,971.72 = 102,053.84 : x
  2. Step 2: Convert to fraction form
    186,933.20/257,971.72 = 102,053.84/x
  3. Step 3: Cross multiply
    186,933.20x = 257,971.72 × 102,053.84
  4. Step 4: Simplify right side
    186,933.20x = 26,327,004,637.40
  5. Step 5: Solve for x
    x = 26,327,004,637.40/186,933.20
  6. Step 6: Final answer
    x = 140,836.43

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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.