Home / 161,860.65-223,369.73-93,880.50

Finding the Fourth Proportional to 161,860.65, 223,369.73 and 93,880.50

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Solution

The fourth proportional to 161,860.65, 223,369.73 and 93,880.50 is: 129,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,860.65 : 223,369.73 = 93,880.50 : x
  2. Step 2: Convert to fraction form
    161,860.65/223,369.73 = 93,880.50/x
  3. Step 3: Cross multiply
    161,860.65x = 223,369.73 × 93,880.50
  4. Step 4: Simplify right side
    161,860.65x = 20,970,061,937.27
  5. Step 5: Solve for x
    x = 20,970,061,937.27/161,860.65
  6. Step 6: Final answer
    x = 129,556.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.