Home / 439,527.42-659,291.07-158,979.06

Finding the Fourth Proportional to 439,527.42, 659,291.07 and 158,979.06

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Solution

The fourth proportional to 439,527.42, 659,291.07 and 158,979.06 is: 238,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,527.42 : 659,291.07 = 158,979.06 : x
  2. Step 2: Convert to fraction form
    439,527.42/659,291.07 = 158,979.06/x
  3. Step 3: Cross multiply
    439,527.42x = 659,291.07 × 158,979.06
  4. Step 4: Simplify right side
    439,527.42x = 104,813,474,574.99
  5. Step 5: Solve for x
    x = 104,813,474,574.99/439,527.42
  6. Step 6: Final answer
    x = 238,468.57

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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.