Home / 165,075.84-227,805.12-89,625.60

Finding the Fourth Proportional to 165,075.84, 227,805.12 and 89,625.60

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Solution

The fourth proportional to 165,075.84, 227,805.12 and 89,625.60 is: 123,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,075.84 : 227,805.12 = 89,625.60 : x
  2. Step 2: Convert to fraction form
    165,075.84/227,805.12 = 89,625.60/x
  3. Step 3: Cross multiply
    165,075.84x = 227,805.12 × 89,625.60
  4. Step 4: Simplify right side
    165,075.84x = 20,417,170,563.07
  5. Step 5: Solve for x
    x = 20,417,170,563.07/165,075.84
  6. Step 6: Final answer
    x = 123,683.58

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1.5x scale

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.