Home / 405,829.96-608,686.62-169,128.52

Finding the Fourth Proportional to 405,829.96, 608,686.62 and 169,128.52

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Solution

The fourth proportional to 405,829.96, 608,686.62 and 169,128.52 is: 253,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,829.96 : 608,686.62 = 169,128.52 : x
  2. Step 2: Convert to fraction form
    405,829.96/608,686.62 = 169,128.52/x
  3. Step 3: Cross multiply
    405,829.96x = 608,686.62 × 169,128.52
  4. Step 4: Simplify right side
    405,829.96x = 102,946,267,184.40
  5. Step 5: Solve for x
    x = 102,946,267,184.40/405,829.96
  6. Step 6: Final answer
    x = 253,668.48

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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.