Home / 245,712.50-368,397.74-108,861.30

Finding the Fourth Proportional to 245,712.50, 368,397.74 and 108,861.30

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Solution

The fourth proportional to 245,712.50, 368,397.74 and 108,861.30 is: 163,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,712.50 : 368,397.74 = 108,861.30 : x
  2. Step 2: Convert to fraction form
    245,712.50/368,397.74 = 108,861.30/x
  3. Step 3: Cross multiply
    245,712.50x = 368,397.74 × 108,861.30
  4. Step 4: Simplify right side
    245,712.50x = 40,104,256,893.46
  5. Step 5: Solve for x
    x = 40,104,256,893.46/245,712.50
  6. Step 6: Final answer
    x = 163,216.19

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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.