Home / 141,084.54-194,699.04-77,428.26

Finding the Fourth Proportional to 141,084.54, 194,699.04 and 77,428.26

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Solution

The fourth proportional to 141,084.54, 194,699.04 and 77,428.26 is: 106,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,084.54 : 194,699.04 = 77,428.26 : x
  2. Step 2: Convert to fraction form
    141,084.54/194,699.04 = 77,428.26/x
  3. Step 3: Cross multiply
    141,084.54x = 194,699.04 × 77,428.26
  4. Step 4: Simplify right side
    141,084.54x = 15,075,207,890.87
  5. Step 5: Solve for x
    x = 15,075,207,890.87/141,084.54
  6. Step 6: Final answer
    x = 106,852.30

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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.