Home / 134,644.35-185,800.75-74,211.67

Finding the Fourth Proportional to 134,644.35, 185,800.75 and 74,211.67

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Solution

The fourth proportional to 134,644.35, 185,800.75 and 74,211.67 is: 102,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,644.35 : 185,800.75 = 74,211.67 : x
  2. Step 2: Convert to fraction form
    134,644.35/185,800.75 = 74,211.67/x
  3. Step 3: Cross multiply
    134,644.35x = 185,800.75 × 74,211.67
  4. Step 4: Simplify right side
    134,644.35x = 13,788,583,015.75
  5. Step 5: Solve for x
    x = 13,788,583,015.75/134,644.35
  6. Step 6: Final answer
    x = 102,407.44

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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.