Home / 179,101.08-247,132.06-103,635

Finding the Fourth Proportional to 179,101.08, 247,132.06 and 103,635

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Solution

The fourth proportional to 179,101.08, 247,132.06 and 103,635 is: 143,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,101.08 : 247,132.06 = 103,635 : x
  2. Step 2: Convert to fraction form
    179,101.08/247,132.06 = 103,635/x
  3. Step 3: Cross multiply
    179,101.08x = 247,132.06 × 103,635
  4. Step 4: Simplify right side
    179,101.08x = 25,611,531,038.10
  5. Step 5: Solve for x
    x = 25,611,531,038.10/179,101.08
  6. Step 6: Final answer
    x = 143,000.43

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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.