Home / 117,832.70-176,644.28-42,938.76

Finding the Fourth Proportional to 117,832.70, 176,644.28 and 42,938.76

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Solution

The fourth proportional to 117,832.70, 176,644.28 and 42,938.76 is: 64,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,832.70 : 176,644.28 = 42,938.76 : x
  2. Step 2: Convert to fraction form
    117,832.70/176,644.28 = 42,938.76/x
  3. Step 3: Cross multiply
    117,832.70x = 176,644.28 × 42,938.76
  4. Step 4: Simplify right side
    117,832.70x = 7,584,886,344.29
  5. Step 5: Solve for x
    x = 7,584,886,344.29/117,832.70
  6. Step 6: Final answer
    x = 64,369.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.