Home / 152,218.80-228,328.20-47,037.60

Finding the Fourth Proportional to 152,218.80, 228,328.20 and 47,037.60

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Solution

The fourth proportional to 152,218.80, 228,328.20 and 47,037.60 is: 70,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,218.80 : 228,328.20 = 47,037.60 : x
  2. Step 2: Convert to fraction form
    152,218.80/228,328.20 = 47,037.60/x
  3. Step 3: Cross multiply
    152,218.80x = 228,328.20 × 47,037.60
  4. Step 4: Simplify right side
    152,218.80x = 10,740,010,540.32
  5. Step 5: Solve for x
    x = 10,740,010,540.32/152,218.80
  6. Step 6: Final answer
    x = 70,556.40

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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.