Home / 156,921.60-235,382.40-96,997.80

Finding the Fourth Proportional to 156,921.60, 235,382.40 and 96,997.80

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Solution

The fourth proportional to 156,921.60, 235,382.40 and 96,997.80 is: 145,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,921.60 : 235,382.40 = 96,997.80 : x
  2. Step 2: Convert to fraction form
    156,921.60/235,382.40 = 96,997.80/x
  3. Step 3: Cross multiply
    156,921.60x = 235,382.40 × 96,997.80
  4. Step 4: Simplify right side
    156,921.60x = 22,831,574,958.72
  5. Step 5: Solve for x
    x = 22,831,574,958.72/156,921.60
  6. Step 6: Final answer
    x = 145,496.70

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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.