Home / 152,178.41-228,073.52-72,216.23

Finding the Fourth Proportional to 152,178.41, 228,073.52 and 72,216.23

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Solution

The fourth proportional to 152,178.41, 228,073.52 and 72,216.23 is: 108,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,178.41 : 228,073.52 = 72,216.23 : x
  2. Step 2: Convert to fraction form
    152,178.41/228,073.52 = 72,216.23/x
  3. Step 3: Cross multiply
    152,178.41x = 228,073.52 × 72,216.23
  4. Step 4: Simplify right side
    152,178.41x = 16,470,608,817.40
  5. Step 5: Solve for x
    x = 16,470,608,817.40/152,178.41
  6. Step 6: Final answer
    x = 108,232.23

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1.5x scale

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.