Home / 482,943.80-724,383.30-127,950.20

Finding the Fourth Proportional to 482,943.80, 724,383.30 and 127,950.20

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Solution

The fourth proportional to 482,943.80, 724,383.30 and 127,950.20 is: 191,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,943.80 : 724,383.30 = 127,950.20 : x
  2. Step 2: Convert to fraction form
    482,943.80/724,383.30 = 127,950.20/x
  3. Step 3: Cross multiply
    482,943.80x = 724,383.30 × 127,950.20
  4. Step 4: Simplify right side
    482,943.80x = 92,684,988,111.66
  5. Step 5: Solve for x
    x = 92,684,988,111.66/482,943.80
  6. Step 6: Final answer
    x = 191,916.72

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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.