Home / 163,543.85-245,410.94-68,767.17

Finding the Fourth Proportional to 163,543.85, 245,410.94 and 68,767.17

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Solution

The fourth proportional to 163,543.85, 245,410.94 and 68,767.17 is: 103,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,543.85 : 245,410.94 = 68,767.17 : x
  2. Step 2: Convert to fraction form
    163,543.85/245,410.94 = 68,767.17/x
  3. Step 3: Cross multiply
    163,543.85x = 245,410.94 × 68,767.17
  4. Step 4: Simplify right side
    163,543.85x = 16,876,215,487.00
  5. Step 5: Solve for x
    x = 16,876,215,487.00/163,543.85
  6. Step 6: Final answer
    x = 103,190.77

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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.