Home / 218,285.12-301,188.10-127,623.54

Finding the Fourth Proportional to 218,285.12, 301,188.10 and 127,623.54

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Solution

The fourth proportional to 218,285.12, 301,188.10 and 127,623.54 is: 176,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,285.12 : 301,188.10 = 127,623.54 : x
  2. Step 2: Convert to fraction form
    218,285.12/301,188.10 = 127,623.54/x
  3. Step 3: Cross multiply
    218,285.12x = 301,188.10 × 127,623.54
  4. Step 4: Simplify right side
    218,285.12x = 38,438,691,527.87
  5. Step 5: Solve for x
    x = 38,438,691,527.87/218,285.12
  6. Step 6: Final answer
    x = 176,093.96

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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.