Home / 160,075.85-220,917.78-88,457.06

Finding the Fourth Proportional to 160,075.85, 220,917.78 and 88,457.06

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Solution

The fourth proportional to 160,075.85, 220,917.78 and 88,457.06 is: 122,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,075.85 : 220,917.78 = 88,457.06 : x
  2. Step 2: Convert to fraction form
    160,075.85/220,917.78 = 88,457.06/x
  3. Step 3: Cross multiply
    160,075.85x = 220,917.78 × 88,457.06
  4. Step 4: Simplify right side
    160,075.85x = 19,541,737,872.82
  5. Step 5: Solve for x
    x = 19,541,737,872.82/160,075.85
  6. Step 6: Final answer
    x = 122,077.99

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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.