Home / 154,016.19-231,024.13-57,971.34

Finding the Fourth Proportional to 154,016.19, 231,024.13 and 57,971.34

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Solution

The fourth proportional to 154,016.19, 231,024.13 and 57,971.34 is: 86,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,016.19 : 231,024.13 = 57,971.34 : x
  2. Step 2: Convert to fraction form
    154,016.19/231,024.13 = 57,971.34/x
  3. Step 3: Cross multiply
    154,016.19x = 231,024.13 × 57,971.34
  4. Step 4: Simplify right side
    154,016.19x = 13,392,778,243.51
  5. Step 5: Solve for x
    x = 13,392,778,243.51/154,016.19
  6. Step 6: Final answer
    x = 86,956.95

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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.