Home / 123,236.04-170,065.80-66,647.44

Finding the Fourth Proportional to 123,236.04, 170,065.80 and 66,647.44

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Solution

The fourth proportional to 123,236.04, 170,065.80 and 66,647.44 is: 91,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,236.04 : 170,065.80 = 66,647.44 : x
  2. Step 2: Convert to fraction form
    123,236.04/170,065.80 = 66,647.44/x
  3. Step 3: Cross multiply
    123,236.04x = 170,065.80 × 66,647.44
  4. Step 4: Simplify right side
    123,236.04x = 11,334,450,201.55
  5. Step 5: Solve for x
    x = 11,334,450,201.55/123,236.04
  6. Step 6: Final answer
    x = 91,973.50

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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.