Home / 156,191.82-215,383.62-133,605.59

Finding the Fourth Proportional to 156,191.82, 215,383.62 and 133,605.59

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Solution

The fourth proportional to 156,191.82, 215,383.62 and 133,605.59 is: 184,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,191.82 : 215,383.62 = 133,605.59 : x
  2. Step 2: Convert to fraction form
    156,191.82/215,383.62 = 133,605.59/x
  3. Step 3: Cross multiply
    156,191.82x = 215,383.62 × 133,605.59
  4. Step 4: Simplify right side
    156,191.82x = 28,776,454,549.52
  5. Step 5: Solve for x
    x = 28,776,454,549.52/156,191.82
  6. Step 6: Final answer
    x = 184,237.91

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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.