Home / 156,350.25-215,941.55-105,961.77

Finding the Fourth Proportional to 156,350.25, 215,941.55 and 105,961.77

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Solution

The fourth proportional to 156,350.25, 215,941.55 and 105,961.77 is: 146,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,350.25 : 215,941.55 = 105,961.77 : x
  2. Step 2: Convert to fraction form
    156,350.25/215,941.55 = 105,961.77/x
  3. Step 3: Cross multiply
    156,350.25x = 215,941.55 × 105,961.77
  4. Step 4: Simplify right side
    156,350.25x = 22,881,548,324.73
  5. Step 5: Solve for x
    x = 22,881,548,324.73/156,350.25
  6. Step 6: Final answer
    x = 146,348.01

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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.