Home / 165,437.20-228,295.56-93,811.60

Finding the Fourth Proportional to 165,437.20, 228,295.56 and 93,811.60

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Solution

The fourth proportional to 165,437.20, 228,295.56 and 93,811.60 is: 129,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,437.20 : 228,295.56 = 93,811.60 : x
  2. Step 2: Convert to fraction form
    165,437.20/228,295.56 = 93,811.60/x
  3. Step 3: Cross multiply
    165,437.20x = 228,295.56 × 93,811.60
  4. Step 4: Simplify right side
    165,437.20x = 21,416,771,756.50
  5. Step 5: Solve for x
    x = 21,416,771,756.50/165,437.20
  6. Step 6: Final answer
    x = 129,455.60

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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.