Home / 152,992.72-229,578.90-64,239.40

Finding the Fourth Proportional to 152,992.72, 229,578.90 and 64,239.40

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Solution

The fourth proportional to 152,992.72, 229,578.90 and 64,239.40 is: 96,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,992.72 : 229,578.90 = 64,239.40 : x
  2. Step 2: Convert to fraction form
    152,992.72/229,578.90 = 64,239.40/x
  3. Step 3: Cross multiply
    152,992.72x = 229,578.90 × 64,239.40
  4. Step 4: Simplify right side
    152,992.72x = 14,748,010,788.66
  5. Step 5: Solve for x
    x = 14,748,010,788.66/152,992.72
  6. Step 6: Final answer
    x = 96,396.81

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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.