Home / 159,119.12-238,641.72-46,769.28

Finding the Fourth Proportional to 159,119.12, 238,641.72 and 46,769.28

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Solution

The fourth proportional to 159,119.12, 238,641.72 and 46,769.28 is: 70,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,119.12 : 238,641.72 = 46,769.28 : x
  2. Step 2: Convert to fraction form
    159,119.12/238,641.72 = 46,769.28/x
  3. Step 3: Cross multiply
    159,119.12x = 238,641.72 × 46,769.28
  4. Step 4: Simplify right side
    159,119.12x = 11,161,101,422.36
  5. Step 5: Solve for x
    x = 11,161,101,422.36/159,119.12
  6. Step 6: Final answer
    x = 70,143.06

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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.