Home / 114,923.70-158,571-67,167.72

Finding the Fourth Proportional to 114,923.70, 158,571 and 67,167.72

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Solution

The fourth proportional to 114,923.70, 158,571 and 67,167.72 is: 92,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,923.70 : 158,571 = 67,167.72 : x
  2. Step 2: Convert to fraction form
    114,923.70/158,571 = 67,167.72/x
  3. Step 3: Cross multiply
    114,923.70x = 158,571 × 67,167.72
  4. Step 4: Simplify right side
    114,923.70x = 10,650,852,528.12
  5. Step 5: Solve for x
    x = 10,650,852,528.12/114,923.70
  6. Step 6: Final answer
    x = 92,677.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.