Home / 405,876.02-608,715.61-169,089.53

Finding the Fourth Proportional to 405,876.02, 608,715.61 and 169,089.53

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Solution

The fourth proportional to 405,876.02, 608,715.61 and 169,089.53 is: 253,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,876.02 : 608,715.61 = 169,089.53 : x
  2. Step 2: Convert to fraction form
    405,876.02/608,715.61 = 169,089.53/x
  3. Step 3: Cross multiply
    405,876.02x = 608,715.61 × 169,089.53
  4. Step 4: Simplify right side
    405,876.02x = 102,927,436,398.56
  5. Step 5: Solve for x
    x = 102,927,436,398.56/405,876.02
  6. Step 6: Final answer
    x = 253,593.29

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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.