Home / 179,075.95-247,107.10-102,580.36

Finding the Fourth Proportional to 179,075.95, 247,107.10 and 102,580.36

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Solution

The fourth proportional to 179,075.95, 247,107.10 and 102,580.36 is: 141,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,075.95 : 247,107.10 = 102,580.36 : x
  2. Step 2: Convert to fraction form
    179,075.95/247,107.10 = 102,580.36/x
  3. Step 3: Cross multiply
    179,075.95x = 247,107.10 × 102,580.36
  4. Step 4: Simplify right side
    179,075.95x = 25,348,335,276.56
  5. Step 5: Solve for x
    x = 25,348,335,276.56/179,075.95
  6. Step 6: Final answer
    x = 141,550.75

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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.