Home / 405,795.80-608,564.10-169,081.40

Finding the Fourth Proportional to 405,795.80, 608,564.10 and 169,081.40

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Solution

The fourth proportional to 405,795.80, 608,564.10 and 169,081.40 is: 253,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,795.80 : 608,564.10 = 169,081.40 : x
  2. Step 2: Convert to fraction form
    405,795.80/608,564.10 = 169,081.40/x
  3. Step 3: Cross multiply
    405,795.80x = 608,564.10 × 169,081.40
  4. Step 4: Simplify right side
    405,795.80x = 102,896,870,017.74
  5. Step 5: Solve for x
    x = 102,896,870,017.74/405,795.80
  6. Step 6: Final answer
    x = 253,568.10

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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.