Home / 186,424.74-257,178.12-126,016.44

Finding the Fourth Proportional to 186,424.74, 257,178.12 and 126,016.44

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Solution

The fourth proportional to 186,424.74, 257,178.12 and 126,016.44 is: 173,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,424.74 : 257,178.12 = 126,016.44 : x
  2. Step 2: Convert to fraction form
    186,424.74/257,178.12 = 126,016.44/x
  3. Step 3: Cross multiply
    186,424.74x = 257,178.12 × 126,016.44
  4. Step 4: Simplify right side
    186,424.74x = 32,408,671,128.29
  5. Step 5: Solve for x
    x = 32,408,671,128.29/186,424.74
  6. Step 6: Final answer
    x = 173,843.19

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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.