Home / 338,688.18-508,051.71-102,006.18

Finding the Fourth Proportional to 338,688.18, 508,051.71 and 102,006.18

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Solution

The fourth proportional to 338,688.18, 508,051.71 and 102,006.18 is: 153,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,688.18 : 508,051.71 = 102,006.18 : x
  2. Step 2: Convert to fraction form
    338,688.18/508,051.71 = 102,006.18/x
  3. Step 3: Cross multiply
    338,688.18x = 508,051.71 × 102,006.18
  4. Step 4: Simplify right side
    338,688.18x = 51,824,414,179.57
  5. Step 5: Solve for x
    x = 51,824,414,179.57/338,688.18
  6. Step 6: Final answer
    x = 153,015.12

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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.