Home / 179,073.12-247,106.88-103,627.20

Finding the Fourth Proportional to 179,073.12, 247,106.88 and 103,627.20

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Solution

The fourth proportional to 179,073.12, 247,106.88 and 103,627.20 is: 142,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,073.12 : 247,106.88 = 103,627.20 : x
  2. Step 2: Convert to fraction form
    179,073.12/247,106.88 = 103,627.20/x
  3. Step 3: Cross multiply
    179,073.12x = 247,106.88 × 103,627.20
  4. Step 4: Simplify right side
    179,073.12x = 25,606,994,075.14
  5. Step 5: Solve for x
    x = 25,606,994,075.14/179,073.12
  6. Step 6: Final answer
    x = 142,997.42

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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.