Home / 156,509.22-215,910.99-92,823.78

Finding the Fourth Proportional to 156,509.22, 215,910.99 and 92,823.78

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Solution

The fourth proportional to 156,509.22, 215,910.99 and 92,823.78 is: 128,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,509.22 : 215,910.99 = 92,823.78 : x
  2. Step 2: Convert to fraction form
    156,509.22/215,910.99 = 92,823.78/x
  3. Step 3: Cross multiply
    156,509.22x = 215,910.99 × 92,823.78
  4. Step 4: Simplify right side
    156,509.22x = 20,041,674,235.34
  5. Step 5: Solve for x
    x = 20,041,674,235.34/156,509.22
  6. Step 6: Final answer
    x = 128,054.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.