Home / 183,631.14-253,436.40-103,063.50

Finding the Fourth Proportional to 183,631.14, 253,436.40 and 103,063.50

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Solution

The fourth proportional to 183,631.14, 253,436.40 and 103,063.50 is: 142,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,631.14 : 253,436.40 = 103,063.50 : x
  2. Step 2: Convert to fraction form
    183,631.14/253,436.40 = 103,063.50/x
  3. Step 3: Cross multiply
    183,631.14x = 253,436.40 × 103,063.50
  4. Step 4: Simplify right side
    183,631.14x = 26,120,042,411.40
  5. Step 5: Solve for x
    x = 26,120,042,411.40/183,631.14
  6. Step 6: Final answer
    x = 142,241.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.