Home / 178,039.50-245,695.05-97,467.72

Finding the Fourth Proportional to 178,039.50, 245,695.05 and 97,467.72

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Solution

The fourth proportional to 178,039.50, 245,695.05 and 97,467.72 is: 134,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,039.50 : 245,695.05 = 97,467.72 : x
  2. Step 2: Convert to fraction form
    178,039.50/245,695.05 = 97,467.72/x
  3. Step 3: Cross multiply
    178,039.50x = 245,695.05 × 97,467.72
  4. Step 4: Simplify right side
    178,039.50x = 23,947,336,338.79
  5. Step 5: Solve for x
    x = 23,947,336,338.79/178,039.50
  6. Step 6: Final answer
    x = 134,505.75

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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.