Home / 178,401.12-245,955.38-141,729.01

Finding the Fourth Proportional to 178,401.12, 245,955.38 and 141,729.01

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Solution

The fourth proportional to 178,401.12, 245,955.38 and 141,729.01 is: 195,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,401.12 : 245,955.38 = 141,729.01 : x
  2. Step 2: Convert to fraction form
    178,401.12/245,955.38 = 141,729.01/x
  3. Step 3: Cross multiply
    178,401.12x = 245,955.38 × 141,729.01
  4. Step 4: Simplify right side
    178,401.12x = 34,859,012,511.57
  5. Step 5: Solve for x
    x = 34,859,012,511.57/178,401.12
  6. Step 6: Final answer
    x = 195,396.83

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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.