Home / 347,345.22-520,944.93-97,968.90

Finding the Fourth Proportional to 347,345.22, 520,944.93 and 97,968.90

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Solution

The fourth proportional to 347,345.22, 520,944.93 and 97,968.90 is: 146,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,345.22 : 520,944.93 = 97,968.90 : x
  2. Step 2: Convert to fraction form
    347,345.22/520,944.93 = 97,968.90/x
  3. Step 3: Cross multiply
    347,345.22x = 520,944.93 × 97,968.90
  4. Step 4: Simplify right side
    347,345.22x = 51,036,399,960.47
  5. Step 5: Solve for x
    x = 51,036,399,960.47/347,345.22
  6. Step 6: Final answer
    x = 146,932.78

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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.