Home / 179,331.84-247,561.92-103,865.76

Finding the Fourth Proportional to 179,331.84, 247,561.92 and 103,865.76

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Solution

The fourth proportional to 179,331.84, 247,561.92 and 103,865.76 is: 143,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,331.84 : 247,561.92 = 103,865.76 : x
  2. Step 2: Convert to fraction form
    179,331.84/247,561.92 = 103,865.76/x
  3. Step 3: Cross multiply
    179,331.84x = 247,561.92 × 103,865.76
  4. Step 4: Simplify right side
    179,331.84x = 25,713,206,967.86
  5. Step 5: Solve for x
    x = 25,713,206,967.86/179,331.84
  6. Step 6: Final answer
    x = 143,383.39

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1.5x scale

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.