Home / 459,020.58-688,248.96-159,372.42

Finding the Fourth Proportional to 459,020.58, 688,248.96 and 159,372.42

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Solution

The fourth proportional to 459,020.58, 688,248.96 and 159,372.42 is: 238,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,020.58 : 688,248.96 = 159,372.42 : x
  2. Step 2: Convert to fraction form
    459,020.58/688,248.96 = 159,372.42/x
  3. Step 3: Cross multiply
    459,020.58x = 688,248.96 × 159,372.42
  4. Step 4: Simplify right side
    459,020.58x = 109,687,902,317.68
  5. Step 5: Solve for x
    x = 109,687,902,317.68/459,020.58
  6. Step 6: Final answer
    x = 238,960.75

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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.