Home / 152,600.20-228,900.30-77,950.60

Finding the Fourth Proportional to 152,600.20, 228,900.30 and 77,950.60

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Solution

The fourth proportional to 152,600.20, 228,900.30 and 77,950.60 is: 116,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,600.20 : 228,900.30 = 77,950.60 : x
  2. Step 2: Convert to fraction form
    152,600.20/228,900.30 = 77,950.60/x
  3. Step 3: Cross multiply
    152,600.20x = 228,900.30 × 77,950.60
  4. Step 4: Simplify right side
    152,600.20x = 17,842,915,725.18
  5. Step 5: Solve for x
    x = 17,842,915,725.18/152,600.20
  6. Step 6: Final answer
    x = 116,925.90

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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.