Home / 186,616.04-257,326.86-126,081.56

Finding the Fourth Proportional to 186,616.04, 257,326.86 and 126,081.56

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Solution

The fourth proportional to 186,616.04, 257,326.86 and 126,081.56 is: 173,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,616.04 : 257,326.86 = 126,081.56 : x
  2. Step 2: Convert to fraction form
    186,616.04/257,326.86 = 126,081.56/x
  3. Step 3: Cross multiply
    186,616.04x = 257,326.86 × 126,081.56
  4. Step 4: Simplify right side
    186,616.04x = 32,444,171,938.70
  5. Step 5: Solve for x
    x = 32,444,171,938.70/186,616.04
  6. Step 6: Final answer
    x = 173,855.22

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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.