Home / 186,293.97-257,113.38-109,788.63

Finding the Fourth Proportional to 186,293.97, 257,113.38 and 109,788.63

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Solution

The fourth proportional to 186,293.97, 257,113.38 and 109,788.63 is: 151,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,293.97 : 257,113.38 = 109,788.63 : x
  2. Step 2: Convert to fraction form
    186,293.97/257,113.38 = 109,788.63/x
  3. Step 3: Cross multiply
    186,293.97x = 257,113.38 × 109,788.63
  4. Step 4: Simplify right side
    186,293.97x = 28,228,125,744.87
  5. Step 5: Solve for x
    x = 28,228,125,744.87/186,293.97
  6. Step 6: Final answer
    x = 151,524.63

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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.