Home / 579,565.91-869,255.58-158,743.37

Finding the Fourth Proportional to 579,565.91, 869,255.58 and 158,743.37

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Solution

The fourth proportional to 579,565.91, 869,255.58 and 158,743.37 is: 238,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,565.91 : 869,255.58 = 158,743.37 : x
  2. Step 2: Convert to fraction form
    579,565.91/869,255.58 = 158,743.37/x
  3. Step 3: Cross multiply
    579,565.91x = 869,255.58 × 158,743.37
  4. Step 4: Simplify right side
    579,565.91x = 137,988,560,160.51
  5. Step 5: Solve for x
    x = 137,988,560,160.51/579,565.91
  6. Step 6: Final answer
    x = 238,089.50

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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.