Home / 374,815.12-562,297.80-138,158.80

Finding the Fourth Proportional to 374,815.12, 562,297.80 and 138,158.80

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Solution

The fourth proportional to 374,815.12, 562,297.80 and 138,158.80 is: 207,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,815.12 : 562,297.80 = 138,158.80 : x
  2. Step 2: Convert to fraction form
    374,815.12/562,297.80 = 138,158.80/x
  3. Step 3: Cross multiply
    374,815.12x = 562,297.80 × 138,158.80
  4. Step 4: Simplify right side
    374,815.12x = 77,686,389,290.64
  5. Step 5: Solve for x
    x = 77,686,389,290.64/374,815.12
  6. Step 6: Final answer
    x = 207,265.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.