Home / 151,719.06-209,451.05-110,837.31

Finding the Fourth Proportional to 151,719.06, 209,451.05 and 110,837.31

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Solution

The fourth proportional to 151,719.06, 209,451.05 and 110,837.31 is: 153,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,719.06 : 209,451.05 = 110,837.31 : x
  2. Step 2: Convert to fraction form
    151,719.06/209,451.05 = 110,837.31/x
  3. Step 3: Cross multiply
    151,719.06x = 209,451.05 × 110,837.31
  4. Step 4: Simplify right side
    151,719.06x = 23,214,990,404.49
  5. Step 5: Solve for x
    x = 23,214,990,404.49/151,719.06
  6. Step 6: Final answer
    x = 153,013.01

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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.