Home / 156,303.47-234,080.58-80,201.74

Finding the Fourth Proportional to 156,303.47, 234,080.58 and 80,201.74

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Solution

The fourth proportional to 156,303.47, 234,080.58 and 80,201.74 is: 120,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,303.47 : 234,080.58 = 80,201.74 : x
  2. Step 2: Convert to fraction form
    156,303.47/234,080.58 = 80,201.74/x
  3. Step 3: Cross multiply
    156,303.47x = 234,080.58 × 80,201.74
  4. Step 4: Simplify right side
    156,303.47x = 18,773,669,958.43
  5. Step 5: Solve for x
    x = 18,773,669,958.43/156,303.47
  6. Step 6: Final answer
    x = 120,110.39

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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.