Home / 170,339.67-255,315.73-103,632.75

Finding the Fourth Proportional to 170,339.67, 255,315.73 and 103,632.75

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Solution

The fourth proportional to 170,339.67, 255,315.73 and 103,632.75 is: 155,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,339.67 : 255,315.73 = 103,632.75 : x
  2. Step 2: Convert to fraction form
    170,339.67/255,315.73 = 103,632.75/x
  3. Step 3: Cross multiply
    170,339.67x = 255,315.73 × 103,632.75
  4. Step 4: Simplify right side
    170,339.67x = 26,459,071,218.16
  5. Step 5: Solve for x
    x = 26,459,071,218.16/170,339.67
  6. Step 6: Final answer
    x = 155,331.23

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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.