Home / 186,944.50-257,909.58-115,199.56

Finding the Fourth Proportional to 186,944.50, 257,909.58 and 115,199.56

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Solution

The fourth proportional to 186,944.50, 257,909.58 and 115,199.56 is: 158,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,944.50 : 257,909.58 = 115,199.56 : x
  2. Step 2: Convert to fraction form
    186,944.50/257,909.58 = 115,199.56/x
  3. Step 3: Cross multiply
    186,944.50x = 257,909.58 × 115,199.56
  4. Step 4: Simplify right side
    186,944.50x = 29,711,070,135.78
  5. Step 5: Solve for x
    x = 29,711,070,135.78/186,944.50
  6. Step 6: Final answer
    x = 158,929.90

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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.