Home / 155,514.50-214,635.93-117,723.14

Finding the Fourth Proportional to 155,514.50, 214,635.93 and 117,723.14

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Solution

The fourth proportional to 155,514.50, 214,635.93 and 117,723.14 is: 162,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,514.50 : 214,635.93 = 117,723.14 : x
  2. Step 2: Convert to fraction form
    155,514.50/214,635.93 = 117,723.14/x
  3. Step 3: Cross multiply
    155,514.50x = 214,635.93 × 117,723.14
  4. Step 4: Simplify right side
    155,514.50x = 25,267,615,636.42
  5. Step 5: Solve for x
    x = 25,267,615,636.42/155,514.50
  6. Step 6: Final answer
    x = 162,477.55

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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.