Home / 152,255.92-228,317.64-72,317.04

Finding the Fourth Proportional to 152,255.92, 228,317.64 and 72,317.04

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Solution

The fourth proportional to 152,255.92, 228,317.64 and 72,317.04 is: 108,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,255.92 : 228,317.64 = 72,317.04 : x
  2. Step 2: Convert to fraction form
    152,255.92/228,317.64 = 72,317.04/x
  3. Step 3: Cross multiply
    152,255.92x = 228,317.64 × 72,317.04
  4. Step 4: Simplify right side
    152,255.92x = 16,511,255,904.59
  5. Step 5: Solve for x
    x = 16,511,255,904.59/152,255.92
  6. Step 6: Final answer
    x = 108,444.10

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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.