Home / 179,119.64-247,176.06-107,485.40

Finding the Fourth Proportional to 179,119.64, 247,176.06 and 107,485.40

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Solution

The fourth proportional to 179,119.64, 247,176.06 and 107,485.40 is: 148,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,119.64 : 247,176.06 = 107,485.40 : x
  2. Step 2: Convert to fraction form
    179,119.64/247,176.06 = 107,485.40/x
  3. Step 3: Cross multiply
    179,119.64x = 247,176.06 × 107,485.40
  4. Step 4: Simplify right side
    179,119.64x = 26,567,817,679.52
  5. Step 5: Solve for x
    x = 26,567,817,679.52/179,119.64
  6. Step 6: Final answer
    x = 148,324.43

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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.