Home / 482,895.80-724,340.10-145,935.80

Finding the Fourth Proportional to 482,895.80, 724,340.10 and 145,935.80

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Solution

The fourth proportional to 482,895.80, 724,340.10 and 145,935.80 is: 218,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,895.80 : 724,340.10 = 145,935.80 : x
  2. Step 2: Convert to fraction form
    482,895.80/724,340.10 = 145,935.80/x
  3. Step 3: Cross multiply
    482,895.80x = 724,340.10 × 145,935.80
  4. Step 4: Simplify right side
    482,895.80x = 105,707,151,965.58
  5. Step 5: Solve for x
    x = 105,707,151,965.58/482,895.80
  6. Step 6: Final answer
    x = 218,902.61

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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.