Home / 170,339.42-255,315.36-103,632.50

Finding the Fourth Proportional to 170,339.42, 255,315.36 and 103,632.50

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Solution

The fourth proportional to 170,339.42, 255,315.36 and 103,632.50 is: 155,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,339.42 : 255,315.36 = 103,632.50 : x
  2. Step 2: Convert to fraction form
    170,339.42/255,315.36 = 103,632.50/x
  3. Step 3: Cross multiply
    170,339.42x = 255,315.36 × 103,632.50
  4. Step 4: Simplify right side
    170,339.42x = 26,458,967,768.62
  5. Step 5: Solve for x
    x = 26,458,967,768.62/170,339.42
  6. Step 6: Final answer
    x = 155,330.86

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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.