Home / 156,930.40-235,395.60-104,168.80

Finding the Fourth Proportional to 156,930.40, 235,395.60 and 104,168.80

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Solution

The fourth proportional to 156,930.40, 235,395.60 and 104,168.80 is: 156,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,930.40 : 235,395.60 = 104,168.80 : x
  2. Step 2: Convert to fraction form
    156,930.40/235,395.60 = 104,168.80/x
  3. Step 3: Cross multiply
    156,930.40x = 235,395.60 × 104,168.80
  4. Step 4: Simplify right side
    156,930.40x = 24,520,877,177.28
  5. Step 5: Solve for x
    x = 24,520,877,177.28/156,930.40
  6. Step 6: Final answer
    x = 156,253.20

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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.