Home / 179,100.08-247,130.70-103,634

Finding the Fourth Proportional to 179,100.08, 247,130.70 and 103,634

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Solution

The fourth proportional to 179,100.08, 247,130.70 and 103,634 is: 142,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,100.08 : 247,130.70 = 103,634 : x
  2. Step 2: Convert to fraction form
    179,100.08/247,130.70 = 103,634/x
  3. Step 3: Cross multiply
    179,100.08x = 247,130.70 × 103,634
  4. Step 4: Simplify right side
    179,100.08x = 25,611,142,963.80
  5. Step 5: Solve for x
    x = 25,611,142,963.80/179,100.08
  6. Step 6: Final answer
    x = 142,999.06

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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.