Home / 156,303.28-234,080.30-80,201.55

Finding the Fourth Proportional to 156,303.28, 234,080.30 and 80,201.55

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Solution

The fourth proportional to 156,303.28, 234,080.30 and 80,201.55 is: 120,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,303.28 : 234,080.30 = 80,201.55 : x
  2. Step 2: Convert to fraction form
    156,303.28/234,080.30 = 80,201.55/x
  3. Step 3: Cross multiply
    156,303.28x = 234,080.30 × 80,201.55
  4. Step 4: Simplify right side
    156,303.28x = 18,773,603,511.64
  5. Step 5: Solve for x
    x = 18,773,603,511.64/156,303.28
  6. Step 6: Final answer
    x = 120,110.10

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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.