Home / 156,289.97-234,434.96-56,449.78

Finding the Fourth Proportional to 156,289.97, 234,434.96 and 56,449.78

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Solution

The fourth proportional to 156,289.97, 234,434.96 and 56,449.78 is: 84,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,289.97 : 234,434.96 = 56,449.78 : x
  2. Step 2: Convert to fraction form
    156,289.97/234,434.96 = 56,449.78/x
  3. Step 3: Cross multiply
    156,289.97x = 234,434.96 × 56,449.78
  4. Step 4: Simplify right side
    156,289.97x = 13,233,801,259.66
  5. Step 5: Solve for x
    x = 13,233,801,259.66/156,289.97
  6. Step 6: Final answer
    x = 84,674.67

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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.