Home / 218,133.47-327,023.70-98,102.52

Finding the Fourth Proportional to 218,133.47, 327,023.70 and 98,102.52

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Solution

The fourth proportional to 218,133.47, 327,023.70 and 98,102.52 is: 147,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,133.47 : 327,023.70 = 98,102.52 : x
  2. Step 2: Convert to fraction form
    218,133.47/327,023.70 = 98,102.52/x
  3. Step 3: Cross multiply
    218,133.47x = 327,023.70 × 98,102.52
  4. Step 4: Simplify right side
    218,133.47x = 32,081,848,609.83
  5. Step 5: Solve for x
    x = 32,081,848,609.83/218,133.47
  6. Step 6: Final answer
    x = 147,074.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.