Home / 156,910.86-216,541.22-85,295.75

Finding the Fourth Proportional to 156,910.86, 216,541.22 and 85,295.75

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Solution

The fourth proportional to 156,910.86, 216,541.22 and 85,295.75 is: 117,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,910.86 : 216,541.22 = 85,295.75 : x
  2. Step 2: Convert to fraction form
    156,910.86/216,541.22 = 85,295.75/x
  3. Step 3: Cross multiply
    156,910.86x = 216,541.22 × 85,295.75
  4. Step 4: Simplify right side
    156,910.86x = 18,470,044,256.63
  5. Step 5: Solve for x
    x = 18,470,044,256.63/156,910.86
  6. Step 6: Final answer
    x = 117,710.43

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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.