Home / 170,194.81-255,010.74-103,432.18

Finding the Fourth Proportional to 170,194.81, 255,010.74 and 103,432.18

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Solution

The fourth proportional to 170,194.81, 255,010.74 and 103,432.18 is: 154,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,194.81 : 255,010.74 = 103,432.18 : x
  2. Step 2: Convert to fraction form
    170,194.81/255,010.74 = 103,432.18/x
  3. Step 3: Cross multiply
    170,194.81x = 255,010.74 × 103,432.18
  4. Step 4: Simplify right side
    170,194.81x = 26,376,316,761.61
  5. Step 5: Solve for x
    x = 26,376,316,761.61/170,194.81
  6. Step 6: Final answer
    x = 154,977.21

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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.