Home / 123,368.22-170,251.38-74,953.68

Finding the Fourth Proportional to 123,368.22, 170,251.38 and 74,953.68

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Solution

The fourth proportional to 123,368.22, 170,251.38 and 74,953.68 is: 103,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,368.22 : 170,251.38 = 74,953.68 : x
  2. Step 2: Convert to fraction form
    123,368.22/170,251.38 = 74,953.68/x
  3. Step 3: Cross multiply
    123,368.22x = 170,251.38 × 74,953.68
  4. Step 4: Simplify right side
    123,368.22x = 12,760,967,456.08
  5. Step 5: Solve for x
    x = 12,760,967,456.08/123,368.22
  6. Step 6: Final answer
    x = 103,438.04

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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.