Home / 156,010.80-234,016.20-154,455.60

Finding the Fourth Proportional to 156,010.80, 234,016.20 and 154,455.60

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Solution

The fourth proportional to 156,010.80, 234,016.20 and 154,455.60 is: 231,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,010.80 : 234,016.20 = 154,455.60 : x
  2. Step 2: Convert to fraction form
    156,010.80/234,016.20 = 154,455.60/x
  3. Step 3: Cross multiply
    156,010.80x = 234,016.20 × 154,455.60
  4. Step 4: Simplify right side
    156,010.80x = 36,145,112,580.72
  5. Step 5: Solve for x
    x = 36,145,112,580.72/156,010.80
  6. Step 6: Final answer
    x = 231,683.40

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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.