Home / 170,197.95-255,178.71-75,376.46

Finding the Fourth Proportional to 170,197.95, 255,178.71 and 75,376.46

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Solution

The fourth proportional to 170,197.95, 255,178.71 and 75,376.46 is: 113,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,197.95 : 255,178.71 = 75,376.46 : x
  2. Step 2: Convert to fraction form
    170,197.95/255,178.71 = 75,376.46/x
  3. Step 3: Cross multiply
    170,197.95x = 255,178.71 × 75,376.46
  4. Step 4: Simplify right side
    170,197.95x = 19,234,467,827.17
  5. Step 5: Solve for x
    x = 19,234,467,827.17/170,197.95
  6. Step 6: Final answer
    x = 113,012.34

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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.