Home / 152,613.70-228,953.38-51,421.82

Finding the Fourth Proportional to 152,613.70, 228,953.38 and 51,421.82

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Solution

The fourth proportional to 152,613.70, 228,953.38 and 51,421.82 is: 77,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,613.70 : 228,953.38 = 51,421.82 : x
  2. Step 2: Convert to fraction form
    152,613.70/228,953.38 = 51,421.82/x
  3. Step 3: Cross multiply
    152,613.70x = 228,953.38 × 51,421.82
  4. Step 4: Simplify right side
    152,613.70x = 11,773,199,494.75
  5. Step 5: Solve for x
    x = 11,773,199,494.75/152,613.70
  6. Step 6: Final answer
    x = 77,143.79

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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.