Home / 179,720.36-248,014.92-99,147.84

Finding the Fourth Proportional to 179,720.36, 248,014.92 and 99,147.84

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Solution

The fourth proportional to 179,720.36, 248,014.92 and 99,147.84 is: 136,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,720.36 : 248,014.92 = 99,147.84 : x
  2. Step 2: Convert to fraction form
    179,720.36/248,014.92 = 99,147.84/x
  3. Step 3: Cross multiply
    179,720.36x = 248,014.92 × 99,147.84
  4. Step 4: Simplify right side
    179,720.36x = 24,590,143,605.77
  5. Step 5: Solve for x
    x = 24,590,143,605.77/179,720.36
  6. Step 6: Final answer
    x = 136,824.48

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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.