Home / 179,712.22-248,003.12-99,139.58

Finding the Fourth Proportional to 179,712.22, 248,003.12 and 99,139.58

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Solution

The fourth proportional to 179,712.22, 248,003.12 and 99,139.58 is: 136,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,712.22 : 248,003.12 = 99,139.58 : x
  2. Step 2: Convert to fraction form
    179,712.22/248,003.12 = 99,139.58/x
  3. Step 3: Cross multiply
    179,712.22x = 248,003.12 × 99,139.58
  4. Step 4: Simplify right side
    179,712.22x = 24,586,924,659.79
  5. Step 5: Solve for x
    x = 24,586,924,659.79/179,712.22
  6. Step 6: Final answer
    x = 136,812.76

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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.