Home / 178,074.12-245,761.74-113,545.56

Finding the Fourth Proportional to 178,074.12, 245,761.74 and 113,545.56

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Solution

The fourth proportional to 178,074.12, 245,761.74 and 113,545.56 is: 156,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,074.12 : 245,761.74 = 113,545.56 : x
  2. Step 2: Convert to fraction form
    178,074.12/245,761.74 = 113,545.56/x
  3. Step 3: Cross multiply
    178,074.12x = 245,761.74 × 113,545.56
  4. Step 4: Simplify right side
    178,074.12x = 27,905,154,394.87
  5. Step 5: Solve for x
    x = 27,905,154,394.87/178,074.12
  6. Step 6: Final answer
    x = 156,705.28

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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.