Home / 176,579.40-264,638.70-81,798.60

Finding the Fourth Proportional to 176,579.40, 264,638.70 and 81,798.60

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Solution

The fourth proportional to 176,579.40, 264,638.70 and 81,798.60 is: 122,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,579.40 : 264,638.70 = 81,798.60 : x
  2. Step 2: Convert to fraction form
    176,579.40/264,638.70 = 81,798.60/x
  3. Step 3: Cross multiply
    176,579.40x = 264,638.70 × 81,798.60
  4. Step 4: Simplify right side
    176,579.40x = 21,647,075,165.82
  5. Step 5: Solve for x
    x = 21,647,075,165.82/176,579.40
  6. Step 6: Final answer
    x = 122,591.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.