Home / 156,053.60-233,684.40-85,853.60

Finding the Fourth Proportional to 156,053.60, 233,684.40 and 85,853.60

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Solution

The fourth proportional to 156,053.60, 233,684.40 and 85,853.60 is: 128,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,053.60 : 233,684.40 = 85,853.60 : x
  2. Step 2: Convert to fraction form
    156,053.60/233,684.40 = 85,853.60/x
  3. Step 3: Cross multiply
    156,053.60x = 233,684.40 × 85,853.60
  4. Step 4: Simplify right side
    156,053.60x = 20,062,647,003.84
  5. Step 5: Solve for x
    x = 20,062,647,003.84/156,053.60
  6. Step 6: Final answer
    x = 128,562.54

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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.