Home / 146,987.04-202,844.16-79,919.04

Finding the Fourth Proportional to 146,987.04, 202,844.16 and 79,919.04

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Solution

The fourth proportional to 146,987.04, 202,844.16 and 79,919.04 is: 110,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,987.04 : 202,844.16 = 79,919.04 : x
  2. Step 2: Convert to fraction form
    146,987.04/202,844.16 = 79,919.04/x
  3. Step 3: Cross multiply
    146,987.04x = 202,844.16 × 79,919.04
  4. Step 4: Simplify right side
    146,987.04x = 16,211,110,536.81
  5. Step 5: Solve for x
    x = 16,211,110,536.81/146,987.04
  6. Step 6: Final answer
    x = 110,289.39

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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.