Home / 179,625.57-247,899.99-103,155.30

Finding the Fourth Proportional to 179,625.57, 247,899.99 and 103,155.30

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Solution

The fourth proportional to 179,625.57, 247,899.99 and 103,155.30 is: 142,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,625.57 : 247,899.99 = 103,155.30 : x
  2. Step 2: Convert to fraction form
    179,625.57/247,899.99 = 103,155.30/x
  3. Step 3: Cross multiply
    179,625.57x = 247,899.99 × 103,155.30
  4. Step 4: Simplify right side
    179,625.57x = 25,572,197,838.45
  5. Step 5: Solve for x
    x = 25,572,197,838.45/179,625.57
  6. Step 6: Final answer
    x = 142,363.91

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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.