Home / 405,828.96-608,685.12-169,127.52

Finding the Fourth Proportional to 405,828.96, 608,685.12 and 169,127.52

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Solution

The fourth proportional to 405,828.96, 608,685.12 and 169,127.52 is: 253,666.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,828.96 : 608,685.12 = 169,127.52 : x
  2. Step 2: Convert to fraction form
    405,828.96/608,685.12 = 169,127.52/x
  3. Step 3: Cross multiply
    405,828.96x = 608,685.12 × 169,127.52
  4. Step 4: Simplify right side
    405,828.96x = 102,945,404,806.50
  5. Step 5: Solve for x
    x = 102,945,404,806.50/405,828.96
  6. Step 6: Final answer
    x = 253,666.98

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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.