Home / 152,318.60-228,301.26-90,041.48

Finding the Fourth Proportional to 152,318.60, 228,301.26 and 90,041.48

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Solution

The fourth proportional to 152,318.60, 228,301.26 and 90,041.48 is: 134,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,318.60 : 228,301.26 = 90,041.48 : x
  2. Step 2: Convert to fraction form
    152,318.60/228,301.26 = 90,041.48/x
  3. Step 3: Cross multiply
    152,318.60x = 228,301.26 × 90,041.48
  4. Step 4: Simplify right side
    152,318.60x = 20,556,583,336.26
  5. Step 5: Solve for x
    x = 20,556,583,336.26/152,318.60
  6. Step 6: Final answer
    x = 134,957.80

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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.