Home / 374,821.68-562,114.80-125,445.36

Finding the Fourth Proportional to 374,821.68, 562,114.80 and 125,445.36

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Solution

The fourth proportional to 374,821.68, 562,114.80 and 125,445.36 is: 188,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,821.68 : 562,114.80 = 125,445.36 : x
  2. Step 2: Convert to fraction form
    374,821.68/562,114.80 = 125,445.36/x
  3. Step 3: Cross multiply
    374,821.68x = 562,114.80 × 125,445.36
  4. Step 4: Simplify right side
    374,821.68x = 70,514,693,447.33
  5. Step 5: Solve for x
    x = 70,514,693,447.33/374,821.68
  6. Step 6: Final answer
    x = 188,128.64

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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.