Home / 186,587.15-257,286.77-126,052.68

Finding the Fourth Proportional to 186,587.15, 257,286.77 and 126,052.68

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Solution

The fourth proportional to 186,587.15, 257,286.77 and 126,052.68 is: 173,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,587.15 : 257,286.77 = 126,052.68 : x
  2. Step 2: Convert to fraction form
    186,587.15/257,286.77 = 126,052.68/x
  3. Step 3: Cross multiply
    186,587.15x = 257,286.77 × 126,052.68
  4. Step 4: Simplify right side
    186,587.15x = 32,431,687,202.18
  5. Step 5: Solve for x
    x = 32,431,687,202.18/186,587.15
  6. Step 6: Final answer
    x = 173,815.23

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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.