Home / 104,181.60-156,272.40-99,807.60

Finding the Fourth Proportional to 104,181.60, 156,272.40 and 99,807.60

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Solution

The fourth proportional to 104,181.60, 156,272.40 and 99,807.60 is: 149,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,181.60 : 156,272.40 = 99,807.60 : x
  2. Step 2: Convert to fraction form
    104,181.60/156,272.40 = 99,807.60/x
  3. Step 3: Cross multiply
    104,181.60x = 156,272.40 × 99,807.60
  4. Step 4: Simplify right side
    104,181.60x = 15,597,173,190.24
  5. Step 5: Solve for x
    x = 15,597,173,190.24/104,181.60
  6. Step 6: Final answer
    x = 149,711.40

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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.