Home / 170,342.67-255,320.23-103,635.75

Finding the Fourth Proportional to 170,342.67, 255,320.23 and 103,635.75

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Solution

The fourth proportional to 170,342.67, 255,320.23 and 103,635.75 is: 155,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,342.67 : 255,320.23 = 103,635.75 : x
  2. Step 2: Convert to fraction form
    170,342.67/255,320.23 = 103,635.75/x
  3. Step 3: Cross multiply
    170,342.67x = 255,320.23 × 103,635.75
  4. Step 4: Simplify right side
    170,342.67x = 26,460,303,526.22
  5. Step 5: Solve for x
    x = 26,460,303,526.22/170,342.67
  6. Step 6: Final answer
    x = 155,335.73

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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.