Home / 186,555.76-257,453.90-105,996.94

Finding the Fourth Proportional to 186,555.76, 257,453.90 and 105,996.94

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Solution

The fourth proportional to 186,555.76, 257,453.90 and 105,996.94 is: 146,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,555.76 : 257,453.90 = 105,996.94 : x
  2. Step 2: Convert to fraction form
    186,555.76/257,453.90 = 105,996.94/x
  3. Step 3: Cross multiply
    186,555.76x = 257,453.90 × 105,996.94
  4. Step 4: Simplify right side
    186,555.76x = 27,289,325,591.07
  5. Step 5: Solve for x
    x = 27,289,325,591.07/186,555.76
  6. Step 6: Final answer
    x = 146,279.73

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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.