Home / 460,226.29-690,379.32-140,450.15

Finding the Fourth Proportional to 460,226.29, 690,379.32 and 140,450.15

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Solution

The fourth proportional to 460,226.29, 690,379.32 and 140,450.15 is: 210,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,226.29 : 690,379.32 = 140,450.15 : x
  2. Step 2: Convert to fraction form
    460,226.29/690,379.32 = 140,450.15/x
  3. Step 3: Cross multiply
    460,226.29x = 690,379.32 × 140,450.15
  4. Step 4: Simplify right side
    460,226.29x = 96,963,875,599.00
  5. Step 5: Solve for x
    x = 96,963,875,599.00/460,226.29
  6. Step 6: Final answer
    x = 210,687.39

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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.