Home / 165,399.18-228,245.53-93,785.58

Finding the Fourth Proportional to 165,399.18, 228,245.53 and 93,785.58

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Solution

The fourth proportional to 165,399.18, 228,245.53 and 93,785.58 is: 129,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,399.18 : 228,245.53 = 93,785.58 : x
  2. Step 2: Convert to fraction form
    165,399.18/228,245.53 = 93,785.58/x
  3. Step 3: Cross multiply
    165,399.18x = 228,245.53 × 93,785.58
  4. Step 4: Simplify right side
    165,399.18x = 21,406,139,413.46
  5. Step 5: Solve for x
    x = 21,406,139,413.46/165,399.18
  6. Step 6: Final answer
    x = 129,421.07

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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.