Home / 170,326.56-255,380.49-75,585.72

Finding the Fourth Proportional to 170,326.56, 255,380.49 and 75,585.72

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Solution

The fourth proportional to 170,326.56, 255,380.49 and 75,585.72 is: 113,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,326.56 : 255,380.49 = 75,585.72 : x
  2. Step 2: Convert to fraction form
    170,326.56/255,380.49 = 75,585.72/x
  3. Step 3: Cross multiply
    170,326.56x = 255,380.49 × 75,585.72
  4. Step 4: Simplify right side
    170,326.56x = 19,303,118,210.60
  5. Step 5: Solve for x
    x = 19,303,118,210.60/170,326.56
  6. Step 6: Final answer
    x = 113,330.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.