Home / 255,488.67-383,397.03-171,343.86

Finding the Fourth Proportional to 255,488.67, 383,397.03 and 171,343.86

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Solution

The fourth proportional to 255,488.67, 383,397.03 and 171,343.86 is: 257,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,488.67 : 383,397.03 = 171,343.86 : x
  2. Step 2: Convert to fraction form
    255,488.67/383,397.03 = 171,343.86/x
  3. Step 3: Cross multiply
    255,488.67x = 383,397.03 × 171,343.86
  4. Step 4: Simplify right side
    255,488.67x = 65,692,727,032.74
  5. Step 5: Solve for x
    x = 65,692,727,032.74/255,488.67
  6. Step 6: Final answer
    x = 257,125.79

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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.