Home / 156,289.85-234,434.76-72,025.07

Finding the Fourth Proportional to 156,289.85, 234,434.76 and 72,025.07

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Solution

The fourth proportional to 156,289.85, 234,434.76 and 72,025.07 is: 108,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,289.85 : 234,434.76 = 72,025.07 : x
  2. Step 2: Convert to fraction form
    156,289.85/234,434.76 = 72,025.07/x
  3. Step 3: Cross multiply
    156,289.85x = 234,434.76 × 72,025.07
  4. Step 4: Simplify right side
    156,289.85x = 16,885,180,585.52
  5. Step 5: Solve for x
    x = 16,885,180,585.52/156,289.85
  6. Step 6: Final answer
    x = 108,037.61

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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.