Home / 190,566.45-285,757.06-57,421.89

Finding the Fourth Proportional to 190,566.45, 285,757.06 and 57,421.89

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Solution

The fourth proportional to 190,566.45, 285,757.06 and 57,421.89 is: 86,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,566.45 : 285,757.06 = 57,421.89 : x
  2. Step 2: Convert to fraction form
    190,566.45/285,757.06 = 57,421.89/x
  3. Step 3: Cross multiply
    190,566.45x = 285,757.06 × 57,421.89
  4. Step 4: Simplify right side
    190,566.45x = 16,408,710,466.04
  5. Step 5: Solve for x
    x = 16,408,710,466.04/190,566.45
  6. Step 6: Final answer
    x = 86,104.93

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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.