Home / 186,589.76-257,290.37-126,055.29

Finding the Fourth Proportional to 186,589.76, 257,290.37 and 126,055.29

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Solution

The fourth proportional to 186,589.76, 257,290.37 and 126,055.29 is: 173,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,589.76 : 257,290.37 = 126,055.29 : x
  2. Step 2: Convert to fraction form
    186,589.76/257,290.37 = 126,055.29/x
  3. Step 3: Cross multiply
    186,589.76x = 257,290.37 × 126,055.29
  4. Step 4: Simplify right side
    186,589.76x = 32,432,811,574.28
  5. Step 5: Solve for x
    x = 32,432,811,574.28/186,589.76
  6. Step 6: Final answer
    x = 173,818.82

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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.