Home / 123,324.50-170,187.96-66,735.88

Finding the Fourth Proportional to 123,324.50, 170,187.96 and 66,735.88

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Solution

The fourth proportional to 123,324.50, 170,187.96 and 66,735.88 is: 92,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,324.50 : 170,187.96 = 66,735.88 : x
  2. Step 2: Convert to fraction form
    123,324.50/170,187.96 = 66,735.88/x
  3. Step 3: Cross multiply
    123,324.50x = 170,187.96 × 66,735.88
  4. Step 4: Simplify right side
    123,324.50x = 11,357,643,276.00
  5. Step 5: Solve for x
    x = 11,357,643,276.00/123,324.50
  6. Step 6: Final answer
    x = 92,095.60

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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.