Home / 156,893.07-216,513.89-85,273.27

Finding the Fourth Proportional to 156,893.07, 216,513.89 and 85,273.27

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Solution

The fourth proportional to 156,893.07, 216,513.89 and 85,273.27 is: 117,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,893.07 : 216,513.89 = 85,273.27 : x
  2. Step 2: Convert to fraction form
    156,893.07/216,513.89 = 85,273.27/x
  3. Step 3: Cross multiply
    156,893.07x = 216,513.89 × 85,273.27
  4. Step 4: Simplify right side
    156,893.07x = 18,462,847,400.72
  5. Step 5: Solve for x
    x = 18,462,847,400.72/156,893.07
  6. Step 6: Final answer
    x = 117,677.90

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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.