Home / 186,764.44-257,756.52-103,986.76

Finding the Fourth Proportional to 186,764.44, 257,756.52 and 103,986.76

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Solution

The fourth proportional to 186,764.44, 257,756.52 and 103,986.76 is: 143,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,764.44 : 257,756.52 = 103,986.76 : x
  2. Step 2: Convert to fraction form
    186,764.44/257,756.52 = 103,986.76/x
  3. Step 3: Cross multiply
    186,764.44x = 257,756.52 × 103,986.76
  4. Step 4: Simplify right side
    186,764.44x = 26,803,265,383.68
  5. Step 5: Solve for x
    x = 26,803,265,383.68/186,764.44
  6. Step 6: Final answer
    x = 143,513.75

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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.