Home / 180,054.90-248,469.04-99,480.69

Finding the Fourth Proportional to 180,054.90, 248,469.04 and 99,480.69

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Solution

The fourth proportional to 180,054.90, 248,469.04 and 99,480.69 is: 137,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,054.90 : 248,469.04 = 99,480.69 : x
  2. Step 2: Convert to fraction form
    180,054.90/248,469.04 = 99,480.69/x
  3. Step 3: Cross multiply
    180,054.90x = 248,469.04 × 99,480.69
  4. Step 4: Simplify right side
    180,054.90x = 24,717,871,542.84
  5. Step 5: Solve for x
    x = 24,717,871,542.84/180,054.90
  6. Step 6: Final answer
    x = 137,279.64

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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.