Home / 356,489.04-534,707.46-131,744.70

Finding the Fourth Proportional to 356,489.04, 534,707.46 and 131,744.70

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Solution

The fourth proportional to 356,489.04, 534,707.46 and 131,744.70 is: 197,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,489.04 : 534,707.46 = 131,744.70 : x
  2. Step 2: Convert to fraction form
    356,489.04/534,707.46 = 131,744.70/x
  3. Step 3: Cross multiply
    356,489.04x = 534,707.46 × 131,744.70
  4. Step 4: Simplify right side
    356,489.04x = 70,444,873,905.46
  5. Step 5: Solve for x
    x = 70,444,873,905.46/356,489.04
  6. Step 6: Final answer
    x = 197,607.40

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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.