Home / 161,075.28-222,283.68-89,466

Finding the Fourth Proportional to 161,075.28, 222,283.68 and 89,466

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Solution

The fourth proportional to 161,075.28, 222,283.68 and 89,466 is: 123,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,075.28 : 222,283.68 = 89,466 : x
  2. Step 2: Convert to fraction form
    161,075.28/222,283.68 = 89,466/x
  3. Step 3: Cross multiply
    161,075.28x = 222,283.68 × 89,466
  4. Step 4: Simplify right side
    161,075.28x = 19,886,831,714.88
  5. Step 5: Solve for x
    x = 19,886,831,714.88/161,075.28
  6. Step 6: Final answer
    x = 123,462.97

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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.