Home / 179,822.40-248,137.20-99,254.40

Finding the Fourth Proportional to 179,822.40, 248,137.20 and 99,254.40

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Solution

The fourth proportional to 179,822.40, 248,137.20 and 99,254.40 is: 136,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,822.40 : 248,137.20 = 99,254.40 : x
  2. Step 2: Convert to fraction form
    179,822.40/248,137.20 = 99,254.40/x
  3. Step 3: Cross multiply
    179,822.40x = 248,137.20 × 99,254.40
  4. Step 4: Simplify right side
    179,822.40x = 24,628,708,903.68
  5. Step 5: Solve for x
    x = 24,628,708,903.68/179,822.40
  6. Step 6: Final answer
    x = 136,961.30

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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.