Home / 482,929.30-724,361.55-127,935.70

Finding the Fourth Proportional to 482,929.30, 724,361.55 and 127,935.70

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Solution

The fourth proportional to 482,929.30, 724,361.55 and 127,935.70 is: 191,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,929.30 : 724,361.55 = 127,935.70 : x
  2. Step 2: Convert to fraction form
    482,929.30/724,361.55 = 127,935.70/x
  3. Step 3: Cross multiply
    482,929.30x = 724,361.55 × 127,935.70
  4. Step 4: Simplify right side
    482,929.30x = 92,671,701,952.34
  5. Step 5: Solve for x
    x = 92,671,701,952.34/482,929.30
  6. Step 6: Final answer
    x = 191,894.97

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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.