Home / 156,941.88-216,508.32-93,243.48

Finding the Fourth Proportional to 156,941.88, 216,508.32 and 93,243.48

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Solution

The fourth proportional to 156,941.88, 216,508.32 and 93,243.48 is: 128,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.88 : 216,508.32 = 93,243.48 : x
  2. Step 2: Convert to fraction form
    156,941.88/216,508.32 = 93,243.48/x
  3. Step 3: Cross multiply
    156,941.88x = 216,508.32 × 93,243.48
  4. Step 4: Simplify right side
    156,941.88x = 20,187,989,205.75
  5. Step 5: Solve for x
    x = 20,187,989,205.75/156,941.88
  6. Step 6: Final answer
    x = 128,633.54

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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.