Home / 123,416.76-170,305.44-69,707.04

Finding the Fourth Proportional to 123,416.76, 170,305.44 and 69,707.04

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Solution

The fourth proportional to 123,416.76, 170,305.44 and 69,707.04 is: 96,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,416.76 : 170,305.44 = 69,707.04 : x
  2. Step 2: Convert to fraction form
    123,416.76/170,305.44 = 69,707.04/x
  3. Step 3: Cross multiply
    123,416.76x = 170,305.44 × 69,707.04
  4. Step 4: Simplify right side
    123,416.76x = 11,871,488,118.30
  5. Step 5: Solve for x
    x = 11,871,488,118.30/123,416.76
  6. Step 6: Final answer
    x = 96,190.24

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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.